Citrix Support Fix List

A list containing the majority of Citrix support articles collated to make this page a one stop place for you to search for and find information regarding any issues you have with the main Citrix products and their related dependencies.

The page is updated daily with new support articles and information. Articles will change from time and if information here is outdated or incorrect please let me know using the comments. Links may also expire or change so if you find broken links, please let me know. For each issue, known product versions affected are recorded however that does not mean products versions that aren’t listed are not affected.

Each product table has a search box that you can type in to if looking for a specific fault. For example if you have an error code or message, use that to perform a search. You can also use your browsers search feature which will perform a search against the whole page based on the words you enter.

♣ App Layering
♣ AppDNA
♣ Azure, Citrix XenApp Essentials and XenDesktop Essentials
♣ Citrix Cloud
♣ Desktop Lock
♣ Director
♣ Federated Authentication Service
♣ Licensing
♣ Machine Creation Services
♣ NetScaler
♣ NetScaler Management and Analytics System
♣ Profile Management
♣ Provisioning Services
♣ Receiver for Android
♣ Receiver for HTML5
♣ Receiver for iOS
♣ Receiver for Linux
♣ Receiver for Mac
♣ Receiver for Windows
♣ SCOM Management Pack
♣ ShareFile
♣ Skype for Business
♣ StoreFront & Receiver for Web
♣ System Center Configuration Manager
♣ Universal Print Driver & Server, General Printing
♣ VMware ESX
♣ Windows 10
♣ Windows Server 2016
♣ Workspace Environment Management
♣ XenApp & XenDesktop (excluding Machine Creation Services)
♣ XenMobile
♣ XenServer

App Layering:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
18 Published image (Unidesk Desktop) or Packaging Machine blue-screens with STOP code 0x75640007. This STOP error comes from the App Layering Filter driver. It specifically means not all of the required layers were mounted within 10 minutes. As the layers should appear instantly when Windows boots up, Citrix assumes there is a problem and blue-screens the machine so that the process can be retried. The most common cause for layer mounting failures are policies/software blocking access to removable drives. https://support.citrix.com/article/CTX226759
19 When installing the App Layering Agent on a PVS server that has a French Windows OS installed, you receive the following failure message: "An error occured when executing netsh". The agent still installs, however you must manually perform the steps that have failed. Assign and SSL Certificate to port 8016 and manually run NETSH as an administrator. https://support.citrix.com/article/CTX225948
20 Whilst logged on to the App Layering Management Console, you get unexpected errors and disconnects. From the console you may also see "Connectivity Failure" or "No connection to Layering Service". Reboot the Enterprise Layer Manager appliance. This allows the internal services to reconnect to each other and is the most likely solution. Citrix App Layering 4.x. https://support.citrix.com/article/CTX226405
21 Windows 10 major upgrade may result in new Recovery Volume partition. Make sure to remove the volume using diskpart before finalising the OS Layer. Failure to do so could result in desktops failing to boot correctly. This also applies to booting Virtual Machines via PVS. https://support.citrix.com/article/CTX226407
22 "SYSTEM_THREAD_EXCEPTION_NOT_HANDLED CVhdMP.sys" message when booting images created by App Layering via Citrix Provisioning Services. Check that there are no ghost network adapters in the image.
Check the NIC slot number if using VMware ESX.
Make sure the Target Devices hardware is not too different from the Packaging Machine.
Check the publishing Platform Layer Hypervisor version is set correctly for the Hypervisor you are using.
Make sure E1000 NICs are not being used.
http://www.jgspiers.com/0x0000007e-bnistack-failed-vmware/

http://www.jgspiers.com/remove-unused-device-drivers-from-citrix-gold-image/

https://support.citrix.com/article/CTX222191
24 When publishing an image to PVS, you receive the following error: "A failure occurred while publishing the image to PVS server servername (servername.fqdn). Error: The operation being requested was not performed because the user has not logged on to the network. The specified service does not exist. (Exception from HRESULT: 0x800704DD)". Uninstall then install the App Layering agent again. Try running the install media locally instead of over the network. https://discussions.citrix.com/topic/388589-after-upgrade-to-app-layering-43-publish-to-pvs-79-failing/
25 You receive various App-V related issues including publishing issues. Upgrade to App Layering 4.4+ Citrix App Layering 4.2 and 4.3.
26 Unable to import Windows 10 gold image into App Layering. During the import job, you receive the following error: "The CachePoint Appliance could not import the gold image VM to create the Operating System Layer. Error is: Failed to copy folders recursively". The import fails if the gold image has Windows Updates from Feburary 2017 and newer installed. From the gold image, delete file "Microsoft.MicrosoftOfficeHub". https://support.citrix.com/article/CTX222733
27 When trying to create or edit a connector, you receive a "Authentication Failed (401)" error. This is a problem caused by long-running Active Directory queries inside the ELM appliance create a database lock that causes the rest of the connector transaction to timeout. Upgrade to App Layering 4.3+. This version introduces some improvements however some issues still remain. https://support.citrix.com/article/CTX224176
28 When clicking the search box within Outlook 2016/2013 in an Elastic Layered image, a prompt for credentials is displayed and an installer launches and hangs. Install the Windows Search Service in a new OS Layer version. https://support.citrix.com/article/CTX224077

AppDNA:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 After upgrading to AppDNA 7.13 the console fails to start with error "AppDNA has stopped working". Turn off CEIP. https://support.citrix.com/article/CTX224986
2 When importing an App-V application in to AppDNA you receive error "Starting task. Failed task Appv to msi task. File name is too long". Reduce the length of the file path to less than 255 characters. https://support.citrix.com/article/CTX225670

Azure, Citrix XenApp Essentials and XenDesktop Essentials:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 In a multi-zone XenDesktop site, the DDC in Azure fails to connect to an on-premise DDC. VDAs in Azure are also listed as unregistered. Set the primary domain controller (PDC) as the primary time source for the domain and enable the PDC to sync its time with an external reliable time source. https://support.citrix.com/article/CTX206522
2 VDAs in Azure are powering up, registering and then powering off again. This process continues as a reboot cycle. Users can not launch applications as a result. The Cloud Connectors were running Windows Server 2016. Installation of MS Hotfix KB4025339 resolves the issue. https://support.citrix.com/article/CTX226240
3 The creation, updating and deletion of MCS Machine Catalogs from Azure Resource Location fails. Running a Host Connection test and Resources test results in error message "Contact Citrix Support". A CDF trace on the Delivery Controller shows an exception when trying to enumerate the Azure Storage Account details. This was caused by an earlier Azure outage resulting in missing tags. Add the missing tags manually to the Azure Storage Account. MCS Storage Account on Azure was missing the tags required for MCS to work correctly. https://support.citrix.com/article/CTX222848
4 You have configured Azure AD for XenApp Essentials however when users log on to StoreFront they receive error "There was a failure with the mapped account". This means that the user account has not yet synchronised from your on-premises Active Directory to Azure AD. The synchronisation process can take up to 2 hours. https://support.citrix.com/article/CTX227065
5 When trying to link Azure subscription to a catalog, you get a message that the subscription has already been linked, however the subscription does not show in Azure subscription tab. This is due to lack of premissions on Azure for the XenApp Essentials service and the account adding the subscription. https://support.citrix.com/article/CTX226977
6 Machines in Azure are not being started fast enough to cover increased user load. Support for Azure ARM is continually improving. One of the new features is on demand provisioning of virtual machines. To take advantage of this benefit, recreate your machine catalogs. https://support.citrix.com/article/CTX227833

Citrix Cloud:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 VDA failed to register with Delivery Controller with Event Log ID 1022. Restarting the Cloud Connector server helps to reset the faulted channel. The Microsoft.ServiceBus.Channel which is used by the Cloud Connector to communicate with Citrix managed Delivery Controllers may be in a faulted state. XenApp and XenDesktop Service https://support.citrix.com/article/CTX225605
2 Citrix Cloud Connector fails to update and is unable to exit maintenance mode. This results in an outdated connector that is unable to handle service requests. This can be caused by conflicting software installed on the Cloud Connector server that blocks updates or an unexpected error occuring during maintenance. Delete Cloud Connector from Citrix Cloud and uninstall the Cloud Connector followed by installing the newest version. https://support.citrix.com/article/CTX224073
3 From an on-premises location, user is unable to access cloud hosted StoreFront website. The same website can be accessed from external locations. Configure proxy server to allow traffic to XenApp and XenDesktop URLs such as https://*.xendesktop.net. XenApp and XenDesktop Service https://support.citrix.com/article/CTX223020
4 Cloud Connector does not complete its initial installation due to inability to validate the code signing certificate. The Citrix Cloud Connector being installed does not trust the primary or intermediate certificate which is used to sign the .exe bundle that installs the Citrix Cloud provider services. This is usually not an issue if Windows Updates are allowed and the Cloud Connector server is patched. https://support.citrix.com/article/CTX223828
5 User unable to log on to mdx.xm.cloud.com. Make sure to invite the user as an administrator within Citrix Cloud under "Identity and Access Management". Once the invite is sent and accepted, the user should gain access. https://support.citrix.com/article/CTX227458
6 Citrix Studio does not start and you receive a "Snap-in Unavailable" error. Clear idle and disconnected sessions for the administrator attempting to launch Studio. XenApp and XenDesktop Service https://support.citrix.com/article/CTX227672
7 When using Citrix Cloud and an on-premises StoreFront server configured for SAML authentication, when the Receiver for Web session times out you receive error "Please close your browser to protect your account". Add "CTXS.allowReloginWithoutBrowserClose = true" to "C:\inetpub\wwwroot\Citrix\Web\custom\script.js". XenApp and XenDesktop Service. https://support.citrix.com/article/CTX227673

Desktop Lock:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 After locking and then later unlocking a Desktop Lock enabled client, the application windows within the Citrix session appear behind the taskbar. The only way to resolve this issue is to logout from the session and then log back in again. You could also edit the registry to turn off ICA session disconnects when a machine is locked. XenApp 7.6, XenDesktop 7.6. https://support.citrix.com/article/CTX223258
2 When client is locked via Start Menu -> Lock, the user is required to log in to the client device and then VDA. The same issue does not occur when locking via CTRL+ALT+DEL. This is by design. Citrix can only pass the first credentials to a disconnected session. If the session is active, there is no way to pass the credential without prompting twice. Citrix Receiver Desktop Lock 4.3 and 4.4. https://support.citrix.com/article/CTX207832
3 After upgrading Desktop Lock from 4.4 to 4.5, desktops launch but get stuck at logon. Install Microsoft Visual C++ 2005 SP1 Redistributable Package MFC Security Update on the client machine running Desktop Lock. Citrix Desktop Lock 4.5 and Windows 7. https://support.citrix.com/article/CTX218583
4 After installing Desktop Lock a black background is displayed with Windows Explorer showing when you log on as a local administrator. Make sure your antivirus product is not preventing "CtxExplorerLauncher.exe" from launching. This file is configured to automatically launch at logon to detect when an administrator logs on. https://support.citrix.com/article/CTX215494

Director:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 The Custom Reports Tab is missing from Trends in Director. You require Delivery Controllers running 7.12 or later and Platinum licenses. https://support.citrix.com/article/CTX225891
2 Within Trends -> Sessions -> Session Details, sometimes information will not load when you explicitly select any Delivery Group. For example, if 500 sessions are connected, you may only see 3 and a "No data available for specified time period" message. This issue is fixed in XenApp and XenDesktop 7.14.1. XenApp and XenDesktop 7.13. https://support.citrix.com/article/CTX225853
3 Within the monitoring SQL database, the MonitorData.Session table shows a "NULL" value for all sessions and Director does not report Average Logon Duration for all sessions. The Security Descriptor was customised on each VDA denying permission to the Network Service Account which runs UPMPlugin. This permission issue prevented the Desktop Ready event from being logged to Event Viewer. https://support.citrix.com/article/CTX225857
4 You receive message "Unexpected error. Check your network connection or view Director server event logs for further information". A private fix is available for Director versions 7.13 and 7.14 with a public fix expected to be integrated in the next release. XenApp and XenDesktop 7.13, 7.14. https://support.citrix.com/article/CTX225784
5 When you point Director to a specific Delivery Controller you receive message "Cannot retrieve data". A duplicate SPN is causing Kerberos authentication failures. Remove the duplicate SPN registered against affected Delivery Controller. XenApp 7.6 LTSR CU4 to XenApp 7.14. https://support.citrix.com/article/CTX225294
6 The failed Desktop/Server OS counter on Director Dashboard does not change even after all of the desktops are registered. You can perform a workaround by deleting the stale records from SQL however it is advised that you upgrade to XenDesktop 7.12 for a permanent fix. XenDesktop 7.11 and lower. https://support.citrix.com/article/CTX225139
7 You are presented with a "HTTP 500 Internal Server Error" when browsing to the Director site. Install ASP.NET 4.5 and validate all other Director system requirements. https://support.citrix.com/article/CTX207694
8 Under Trends and when browsing to the Logon Performance or Single Application tabs, you get error "Cannot retrieve the data. Data source is unresponsive or reported an error". It is advised that you contact Citrix Support to figure out which records in which Monitor Database table contain two dates with a gap larger than 596.5 hours. These records need removed manually to revoer the Director page. https://support.citrix.com/article/CTX222824
9 When viewing Session Details, latency shows as "...". You need to re-register the ICA and Windows performance counters. https://support.citrix.com/article/CTX207897
10 Director may show incorrect data when compared to Studio for statistics such as the number of active sessions. A hotfix is available. XenApp and XenDesktop 7.11. https://support.citrix.com/article/CTX223910

Federated Authentication Service:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 The Citrix FAS manual authorisation request does not reach the Certificate Authority server. WireShark traces show the FAS server throwing an error "nca_s_fault_access_denied". DCOM security settings for the Issuing Certificate Service had not been updated. You must manually run three commands to rectify. XenDesktop 7.9 to 7.15. https://support.citrix.com/article/CTX225236
2 An application launch results in a failure with error "Cannot Start App" after enabling FAS. On StoreFront Event ID 28 is logged and on the FAS server Event ID 123 is logged. Deauthorise the FAS service using the FAS configuration console and then authorise the FAS service again. This is recommended after a change to the Certificate Auhtority server that FAS is pointed towards. StoreFront 3.9 to 3.11. https://support.citrix.com/article/CTX224802
3 Users from one domain cannot obtain a FAS user certificate from another domain. Event Viewer on StoreFront contains events with message "Error: Citrix.Authentication.FederatedAuthenticationService Error 102". Add the StoreFront, FAS and VAD servers from one domain to the other domain's "Windows Authorization Access Group". https://support.citrix.com/article/CTX220497

Licensing:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 Communication fails when securing licensing communication between XenDesktop (DDC) 7.9 and the License Server using TLS v1.2 or TLS v1.1. This is a known bug and you must upgrade to XenDesktop 7.11+ and License Server 11.14+. XenDesktop 7.9. https://support.citrix.com/article/CTX222821
2 When running "lmstat -a" from CMD you are returned an error "Error getting status: Cannot find license file". Run command "lmstat -a -c PathToLicenseMyFilesDirectory" Citrix Licensing 11.9 to 11.12. https://support.citrix.com/article/CTX129745
3 When browsing to the Citrix Licensing Manager console a generic Firefox error appears. Perform a hard refresh (CTRL+F5). License Server 11.14 build 19005 and Firefox.

Machine Creation Services:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 Machines provisioned by MCS are prompting for a restart on every boot. The machines had been configured with a VMware Paravirtualization SCSI controller type. Changing the SCSI Controller on the Master MCS Image to LSI Logic SAS fixes the issue. XenApp and XenDesktop 7.14. https://support.citrix.com/article/CTX226475
2 VDA machines may show as "Stuck on Boot" within Citrix Studio and appear under the "Registration Missing" tab in the Delivery Group's details tab even though they are registered and serving users. This issue affects VDAs hosted on Nutanix Acropolis and has been fixed in XenApp and XenDesktop 7.14.1. XenApp and XenDesktop 7.9 to 7.13. https://support.citrix.com/article/CTX225850
3 After updating an MCS Machine Catalog, new applications and/or updates are unavailable to the VDAs after they have been rebooted. The power state of each VDA also appears as "Unknown". Run a "Get-BrokerHypervisorConnection" and look for the Delivery Controller which reports "State: Unavailable". For the affected Delivery Controller, restart the Citrix Broker Service. https://support.citrix.com/article/CTX225293
4 When creating a Machine Catalog you receive error "XDDS:4A5116C7". Free up resources on the vSphere datastore associated with your hosting connection. If that does not work, remove the resource from Studio and add it back. Citrix XenDesktop 7.6. https://support.citrix.com/article/CTX201776
5 Machines do not register and policies do not apply after DST changes are implemented. This happens when the Kerberos handshake fails due to Group Policy client loading before the Windows Time service. Log on to the master MCS virtual machine, run "w32tm /resync /nowait" and then update the Machine Catalog. https://support.citrix.com/article/CTX218718
6 Machine creation via MCS failed with error "Error ID: XDDS:0DAA3833: An error occured while preparing an image". As a result of Microsoft Security Bulletin "MS16-065" changes have been made to .NET Framework which cause incompatibilities with some applications that are based on .NET. As a workaround, refer to the Microsoft documentation as linked in the CTX article. https://support.citrix.com/article/CTX221448
7 Virtual Machines created on XenServer by MCS in XenDesktop 7.12 report missing XenTools, XenDrivers and the network adapter on the VMs shows as a "Realtek" adapter instead of the Xen adapter. Upgrade to XenDesktop 7.14. If that is not possible, contact Citrix Support for a private fix. Citrix XenApp and XenDesktop 7.12. https://support.citrix.com/article/CTX220053
8 When using MCS I/O Optimisation for a catalog containing 32-bit VMs with a RAM cache greater than 256MB can cause the Operating System to stop. To prevent this, configure less RAM cache. This is also resolved in XenApp and XenDesktop 7.14.
9 Machines created via MCS and configured with a RAM Cache and HDD overflow disk will not boot and the machines freeze at the Windows logo. Change the "TargetCacheSize" DWORD value from "32" to "256" under "HKLM\System\CurrentControlSet\Services\CtxMcsWbc" on your master image and update the Machine Catalog. Citrix XenDesktop 7.12. https://support.citrix.com/article/CTX220740
10 When selecting a Master Image during Machine Catalog creation you receive error "You must select a disk image with at least one network card", This can happen if you have a VM imported from a previous version of XenServer into a higher version. Create a diskless VM but do not start it. Detach the disk associated to the problematic VM and attach it to the newly created diskless VM. Create a Machine Catalog using this VM as the template. https://support.citrix.com/article/CTX222490

NetScaler:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 In the Persistency Table, you can only see one backend server connection mapped to the source client however when running command "show ns connection table" you can see connections from the source client to multiple backend servers. Upgrade to 11.1.54.14. https://support.citrix.com/article/CTX227016
2 When more than one interface is in the same vLAN, you observe MAC moves and MAC conflicts between the NICs. Move the affected NICs in to different VLANs or else aggregate the interfaces in to a link aggregated channel. https://support.citrix.com/article/CTX224626
3 When editing a document through the local machine you receive error "Cannot open a file, incorrect syntax or file path". A WireShark trace shows that the client was sending a request to a server not configured on any of the Content Switching policies. Once the server was mapped to a Load Balanced Virtual Server the document was editable through the local machine. https://support.citrix.com/article/CTX226892
4 Content Switching Virtual Server sends traffic to the wrong Load Balancing Virtual Server, resulting in users receiving 404 HTTP responses. Enable "Drop Invalid HTTP Headers" on NetScaler. When the Content Switch receives HTTP invalid/corrupt header next packets from the same source IP the client may be redirected to an incorrect destination. https://support.citrix.com/article/CTX226724
5 When trying to add a new node to a cluster, you receive rrror "Invalid interface name/number". Make sure you are not using an incorrect backplane interface ID number. https://support.citrix.com/article/CTX220432
6 When connecting to RDP via NetScaler Clientless VPN bookmarks, the RDP window terminates with error "An internal error has occured" and the NetScaler resets the backend connection with reset code 9952. This is caused by a domain mismatch in the LDAP Profile. The SSO Name attribute should be set to "SamAccountName". https://support.citrix.com/article/CTX226709
7 In a High Availability setup, an unusually large spike in the number of persistent connections may result in under performance of the Secure Socket Funneling channel between the primary and secondary node. This under performance can eventually lead to session build up on the primary node and cause persistence to fail. Users are then sent to backend servers based on the Load Balancing method. This is a known issue and will be resolved from NetScaler versions 12.0.53.x, 11.1.56.x and 11.0.70.x. As a workaround you can enable Nagle's Algorithm and disable Window Scaling on the "nstcp_internal_apps" TCP profile. https://support.citrix.com/article/CTX226583
8 You are unable to bind multiple services to a Load Balancing Virtual Servr at the same time using the GUI. Upgrade to NetScaler version 11.1.53.x. NetScaler 11.1.51.x and 11.1.52.x. https://support.citrix.com/article/CTX226582
9 The NetScaler Gateway Plugin interrupts DHCP requests that should be sent through the physical interface. Instead these requests are sent through the VPN tunnel. This is a known issue. For Windows devices, the issue is fixed in 11.1 and 11.0.67.x. For MAC, a fix should be coming as part of the "High Sierra" MAC plugin update. https://support.citrix.com/article/CTX226379
10 Applications launched through NetScaler fail with no specific error. The loading dialog box appears and then dissapears. There is no issue with launches internally via StoreFront direct. NetScaler tried to resolve the VDAs FQDN over UDP and the DNS response is received with a truncated bit. NetScaler should initiate a DNS query over TCP for the same FQDN but does not. This issue is being worked on by Citrix. As a workaround you can either add the VDA FQDN as a DNS A record directly on NetScaler or else reduce the size of the DNS response so that it can be accomodated in 512 bytes. https://support.citrix.com/article/CTX226338

NetScaler Management and Analytics System:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 MAS is taking a system backup twice daily rather than once. Both backups are happening almost at the same time. This is a known issue. Upgrade to MAS 11.1.52.13. NetScaler MAS 11.1.51.21. https://support.citrix.com/article/CTX222435
2 HDX Insight no longer showing any data after upgrade of MAS to build 11.1.51.21. This is a known issue. Upgrade to MAS 11.1.53.11. NetScaler MAS 11.1.51.21. https://discussions.citrix.com/topic/383828-mas-111-5121-hdx-insight-not-working
3 Citrix Director does not show data from MAS under the Network tab, Upgrade to MAS 11.1.52.15. NetScaler MAS 11.1. https://support.citrix.com/article/CTX220694
4 NetScaler MAS does not display Load Balanced VIPs. This is due to user hitting "Enter" in the Load Balanced Virtual Server comments section. This creates "\n" characters which MAS does not like. These characters need to firstly be removed. https://support.citrix.com/article/CTX220700
5 The restore of an HA node on standalone NetScaler MAS appliance fails and hangs at step "Restoring NetScaler Management and Analytics System database". Fix is scheduled for MAS 11.1.52.15 build. There is a workaround which involves killing the "psql" process as documented in the CTX article. NetScaler MAS 11.1 to 12.0. https://support.citrix.com/article/CTX220968
6 Restore of NetScaler MAS to a previous backup may fail. You can stop the restore process by logging on to the MAS shell, deleting the resume restore file and rebooting the MAS appliance. NetScaler MAS 11.1 to 12.0. https://support.citrix.com/article/CTX220966
7 Geo Location database is not showing any data on maps in NetScaler MAS 11.1.49.16. Upgrade to MAS 11.1.50.16. NetScaler MAS 11.1.49.16. https://support.citrix.com/article/CTX219424
8 NetScaler MAS does not display any Insight data if the SNIP IP was used to add the NetScaler appliance. When adding NetScaler appliances, use the NSIP and not the SNIP address. https://support.citrix.com/article/CTX227228
9 When attempting to enable Insight on a Virtual Server, the Virtual Server does not appear in the list. If MAS is configured to manually manage Virtual Servers you'll have to navigate to "Networks -> Licenses -> System Licenses" and choose the Virtual Server you want to manage before you can enable Insight against it. https://support.citrix.com/article/CTX227349
10 After an upgrade to NetScaler 12 the state of an AppFlow Collector appears DOWN. From NetScaler 12.0.51.24 onwards, you can view the status of connectivity between the NetScaler SNIP address and AppFlow Collectors by browsing to "System -> AppFlow -> Collectors" or via CLI command "show appflow collector". The state will be down if there is a communication problem between the SNIP and AppFlow Collector. This does not affect AppFlow data exports to AppFlow Collectors, which is done via the NSIP. Citrix NetScaler 12.0.51.24. https://support.citrix.com/article/CTX227438

Profile Management:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 A bug in Profile Management 5.7 causes "userProfileManager.exe" to consume high memory. Disable Active Writeback for Registry or else upgrade to Profile Management 5.8 which contains the fix. Citrix Profile Management 5.7. https://support.citrix.com/article/CTX224992
2 The Start Menu can become unresponsive after several logons and logoffs on Windows Server 2016 RTM/Windows 10 RS1 when used with Profile Management. Upgrade to Windows 10 build 1703 (Creators Update/Redstone 2). Windows 10 and Server 2016 build 1607. https://support.citrix.com/article/CTX224495
3 Start Menu icons are not saving within the user profile. You must add directories and files to the "Directories to Synchronize" and "Files to Synchronize" policy settings.
4 When a hyperlink is clicked within Outlook users are asked "How do you want to open this type of link (http)?". You must configure on a reference machine Internet Explorer to be the default program for HTTP/HTTPS, export the default associations and apply them to all sessions via Group Policy. https://support.citrix.com/article/CTX220134
5 Occasionally with "Delete locally cached profiles on logoff" configured NTUSER.DAT cannot be deleted. This can occur when using Windows 10 Redstone or Windows Server 2016. Upgrade to Profile Management 5.7 which contains the fix. For workarounds, enable a delay before deleting the profile which may help to give whichever process is using NTUSER.DAT time to release any locks. Setting a value higher than 40 seconds is highly recommended. Alternatively you could disable the deletion of cached profiles on logoff if you did not need it. Citrix Profile Management 5.2. https://support.citrix.com/article/CTX216097
6 Users may experience profile corruption, slow logons or unexpected behaviour if using profiles from differing Windows versions as Roaming or UPM profiles. The use of profiles across different versions of OS is not supported by Microsoft and may cause undesirable behaviour. It is therefore recommended that profiles covering different Operating Systems are maintained separately and not used across versions. For example, machines running an OS that expect a v4 profile should not receive a v2 profile from Citrix Profile Management and so on. On the other hand Windows 7 profiles are compatible with Windows Server 2008 R2 just as Windows 8 profiles are compatible with Windws Server 2012 for example. https://support.citrix.com/article/CTX212877
7 File Type Associations fail to roam on Windows Server 2016 and Windows 10 using Citrix Profile Management. Upgrade to Profile Management 5.8. If you cannot upgrade yet, a workaround is to delete "Speech_OneCore=" from the UPM exclusion list (you are including it for synchronisation) and add "TileDataLayer" to the "Folders to mirror" policy setting. Citrix Profile Management 5.7. https://support.citrix.com/article/CTX222433

https://support.citrix.com/article/CTX221380
8 The default browser fails to roam on Windows 10 and Windows Server 2016 using Citrix Profile Management 5.7. Upgrade to Profile Management 5.8. Citrix Profile Management 5.7.
9 Citrix Profile Management (UserProfileManager.exe) may crash every 7 days on 32-bit Windows machines. Upgrade to UPM 7.15 or as a workaround disable CEIP or contact Citrix for a private fix. https://support.citrix.com/article/CTX224931
10 Ntuser.dat is not copied to the profile store after logging off a Windows 10 VDA. CUPM logs show "The process cannot access the file because it is being used by another process". Citrix have released a private fix for this issue which causes Profile Management to retry copying ntuser.dat back to the store if the file is in use the first time. Citrix Profile Management 5.8. https://support.citrix.com/article/CTX226731

Provisioning Services:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 Target Devices become stuck at "virtual disk found" or "Starting Windows". This may be caused by software loading drivers into memory during NT-loading. As a workaround, a script has been included in the CTX article which checks for machines that have likely stuck and restarts them. https://support.citrix.com/article/CTX224259
2 On VMware image conversion fails and the machine becomes stuck at the Windows splash screen. This can be caused by the master Target Device having both a SATA and SCSI controller attached to it. The SATA controller is normally used for the CD/DVD drive in hardware versions 10 and 11. Change the SATA controller to an IDE controller or remove the CD/DVD component if not needed. Provisioning Services 7.12. https://support.citrix.com/article/CTX226954
3 PVS servers are showing as offline within the PVS console and the Event Log is showing Event ID 11 "Undefined Database Error". This is due to the SQL server being configured for TLS 1.2 which SQL native client version 11.0.2100.60 does not support. Install the latest version of the SQL native client on all PVS servers and then restart each server. Provisioning Services 7.11 to 7.12. https://support.citrix.com/article/CTX226526
4 Linux VDA Target Devices fall out of domain after automatic password change duration. Within the Linux vDisk properties, select "Enable Active Directory machne account password management". Provisioning Services 7.13 to 7.14. https://support.citrix.com/article/CTX226607
5 When using the XenDesktop Setup Wizard with System Center Virtual Machine Manager as your Hypervisor broker, you receive error "Error - Has no available templates defined that are fully accessible by all hosts". From the machine that you are converting in to a VM Template (the master template machine), edit the properties and under "Hardware Configuration" make sure there is a blank formatted cache disk attached. Set the "Guest OS profile" to "None" and make sure your storage names have no special characters. Citrix Provisioning Services 7.12. https://support.citrix.com/article/CTX221203
6 After upgrading to Provisioning Services 7.8 your Target Devices no longer boot and stick on the Windows boot screen. Try setting the Telemetry Service to Delayed Startup or Disabled. Otherwise make sure Group Policy is not set to delete profiles on the PVS Servers after a number of days. Citrix Provisioning Services 7.8. https://support.citrix.com/article/CTX215724
7 After running a batch of updates, the Write Cache is not filling up quickly. This could be due to Microsoft Updates not having properly installed before the image was promoted to production. Revert the image back and make sure update installs are complete, also run a defragmentation against the vDisk. https://support.citrix.com/article/CTX224523
8 Target Devices perform slowly when a copy and paste vDisk operation in on-going and the vDisk store resides on CIFS storage. It is a better practice to use DFS-R for vDisk replication on SMB3 storage. https://support.citrix.com/article/CTX226170
9 Target Device stuck at "Login to Provisioning Services disk services". If the vDisk is load balanced then change the settings to make it only available from one of the PVS Servers. Next reboot the VDA and test to see if it moves past the sticking point. Keep doing this for each PVS server to see which one is causing the issue. Once you have found the culprit, restart that server.
10 The vDisk auto-update schedule does not take effect or even reconfigure after rebooting the environment. Reconfigure auto-update from the PVS Server or else manually start the auto-update virtual machine. https://support.citrix.com/article/CTX205019

Receiver for Android:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 When launching any application you receive error "Cannot Connect: Error connecting to the session reliability server. Error tunneling through the proxy". This could be caused by firewall port blockage either internally or externally via NetScaler. It could also be down to STA servers either not configured on NetScaler or down. https://support.citrix.com/article/CTX225834
2 As you type into an application such as Word or Notepad, the virtual keyboard appears on screen. Eventually after several lines of text some of that text will begin to dissapear underneath the keyboard. Citrix are aware of this issue and a solution is under investigation. https://support.citrix.com/article/CTX223986
3 When adding an account to Receiver for Android that goes through NetScaler Gateway, a Receiver for Web logon page appears instead of showing a list of applications. Disable "Set the unified Receiver experience as the default for this store" within StoreFront. Citrix Receiver for Android 3.9.1. https://support.citrix.com/article/CTX216410
4 The keyboard does not automatically display and users have to manually select it to open. Check the "Automatic keyboard display" policy within Citrix Studio is set to "Allowed". https://support.citrix.com/article/CTX220263
5 The keyboard does not automatically display when clicking into an editable area of an application such as Word or Notepad. iOS works fine however Android does not behave the same. iOS operates differently due to underlying functionality and it is expected for Android Receiver versions to not automatically show the keyboard. https://support.citrix.com/article/CTX223781
6 Receiver for Android may ask for your password twice when logging on to NetScaler Gateway. This is a known issue. You should only be prompted for the password twice when setting up the account and not thereafter. Citrix Receiver for Android 3.11.
7 You receive the error message "The server certificate is not trusted" when connecting to NetScaler Gateway. Stricter certificate validation checks have been included in Receiver for Android 3.12 and above versions. You must make sure that NetScaler provides the complete certificate chain to clients and that none of the certificates in that chain have expired. Citrix Receiver for Android 3.12. https://support.citrix.com/article/CTX224709
8 When docking a Samsung S8+ with an existing ICA session to a DeX docking station, the session does not continue on the new display and instead returns error "Error connecting to the session reliability server" or "Error tunneling through the proxy". Upgrade to Receiver for Android 3.12.2. https://support.citrix.com/article/CTX227985

Receiver for HTML5:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 When launching a desktop or application using Firefox v54 or later you receive a black screen on launch. Disable "webgl" in Firefox or else disable "webgl" using the "configuration.js" file found on StoreFront. Firefox 54. https://support.citrix.com/article/CTX225989
2 Internet Explorer and FireFox can print to the Citrix PDF Printer find however Chrome v57 prints a blank document. Upgrade to Receiver for HTML5 2.4. Receiver for HTML5 2.4 and Chrome 57. https://support.citrix.com/article/CTX223510
3 Session connections are being dropped without any error. This is a known issue and is caused by the "Maximum allowed color depth" policy setting. For Windows Server 2008 R2 VDAs set this setting to "16 Bits Per Pixel" and for Windows Server 2012 R2/2016 set this setting to "32 Bits Per Pixel". https://support.citrix.com/article/CTX225643
4 Director shows IPs of 0.0.0.0 for Receiver for HTML5 connections. This is a known issue. https://discussions.citrix.com/topic/378033-director-cant-show-endpoint-ip/
5 Some keyboard combinations do not work through Receiver for HTML5. This is a known issue, avoid using these combinations. https://support.citrix.com/article/CTX224158
6 You can only start one instance of an application. Use Chrome or Firefox. This is currently a limitation with IE and Safari browsers. Internet Explorer and Safari. https://support.citrix.com/article/CTX223569

Receiver for iOS:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 When launching any application you receive error "Server error.; The server disconnected the session..". This could be caused by firewall port blockage either internally or externally via NetScaler. It could also be down to STA servers either not configured on NetScaler or down. https://support.citrix.com/article/CTX225834
2 As you type into an application such as Word or Notepad, the virtual keyboard appears on screen. Eventually after several lines of text some of that text will begin to dissapear underneath the keyboard. Citrix are aware of this issue and a solution is under investigation. https://support.citrix.com/article/CTX223986
3 The keyboard does not automatically display and users have to manually select it to open. Check the "Automatic keyboard display" policy within Citrix Studio is set to "Allowed". https://support.citrix.com/article/CTX220263
4 When logging on to NetScaler Gateway through Receiver for iOS you receive error "The Gateway has Epa Enabled, which is not supported on iOS devices". Disable PNAgent Legacy Mode on the relevant StoreFront store by unchecking "Enable XenApp Services support". https://support.citrix.com/article/CTX218712
5 When your password has expired and you change it through NetScaler Gateway, you receive error "Incorrect Credentials". Ignore the error message as the password has been changed. This is a known issue and current limitation in Receiver for iOS 6.1.1. Receiver for iOS 6.1.1. https://support.citrix.com/article/CTX202427
6 You receive the error message "You have chosen not to trust ..., the issuer of the server's security certificate" when connecting to NetScaler Gateway. Stricter certificate validation checks have been included in Receiver for iOS 7.2.2 and above versions. You must make sure that NetScaler provides the complete certificate chain to clients and that none of the certificates in that chain have expired. Citrix Receiver for iOS 7.2.2. https://support.citrix.com/article/CTX223949
7 When using Receiver for iOS 7.3 or earlier on iOS 11, when authenticating to NetScaler or StoreFront with a Smart Card you receive error “Your smart card does not have a valid certificate”. Users running iOS 9 and 10 do not experience the same. There is no workaround as yet. Citrix recommend you do not upgrade yet to iOS 11 if you use Smart Cards for authentication. iOS 11. https://support.citrix.com/article/CTX227952
8 Smart Card users running Receiver for iOS 7.2.3 are unable to connect to VDA 7.13 applications and receive error “The operation couldn’t be completed (HdxSdkErrorDomain_Sessionerror 8)”. Enable “Enhanced Desktop Experience” via Citrix policies. https://support.citrix.com/article/CTX227966

Receiver for Linux:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 When using two monitors, the desktops spans the middle of the two monitors and the left and right sides of the screen are black or blank. Up to 8 graphics drivers are installed along with the VDA to handle up to 8 monitors. When a new session is created one of these drivers is selected at random and used for each monitor. This issue can be caused by a VMware graphics driver present which is being randomly selected to be used for one monitor in the session. This driver has limitations on the resolutions that can be used. You will have to remove this driver from the VDA. https://support.citrix.com/article/CTX218627
2 Keyboard no longer working. This is a known issue and if you are experiencing the same, Citrix have a private fix. Citrix Receiver for Linux 13.5. https://support.citrix.com/article/CTX224029
3 When using HDX 3D Pro, a black box may appear around some custom cursors. This is a known issue and 32-bit cursors are being investigated as part of the product road maps for Citrix Receiver for Mac. Cursors that employ shadow effects for example are classed as 32-bit cursors and not currently supported by Receiver for Mac. https://support.citrix.com/article/CTX223626

Receiver for Mac:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 Bloomberg keyboard and finger print scanner not redirecting to Citrix session. Redirection of this device is not fully supported but there is a method to follow that can be tried to get it working, as explained in the CTX article. https://support.citrix.com/article/CTX227075
2 Windows Mac users connect to NetScale full VPN, they cannot reach external websites. Split DNS is not working. This is by design. The Mac VPN client does not support split DNS so all DNS requests are sent to NetScaler for resolution. If NetScaler cannot resolve the domain name then users will get an invalid response. This issue will be fixed under an existing enhancement request. https://support.citrix.com/article/CTX225297
3 When using HDX 3D Pro, a black box may appear around some custom cursors. This is a known issue and 32-bit cursors are being investigated as part of the product road maps for Citrix Receiver for Mac. Cursors that employ shadow effects for example are classed as 32-bit cursors and not currently supported by Receiver for Mac. https://support.citrix.com/article/CTX223626
4 If using a proxy connection, communication over EDT fails. This is a known issue. Receiver for Mac 12.5.
5 You receive an "Initialization failed" error. This is caused by an upgrade to macOS Sierra. Upgrade to Receiver for Mac 12.3 which is compatible with this OS.
6 Delivering a proxy.pac file to clients via NetScaler Session Policies works for Windows devices but now Mac. At the moment, only Windows devices are supported. Proxy PAC support for MacOS is currently being worked on. https://support.citrix.com/article/CTX227262

Receiver for Windows:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 Resources with names ending with the published desktop name do not show up in Receiver. This is by design. Avoid using a suffix of the currently published desktop name. https://support.citrix.com/article/CTX227113
2 When running Receiver with non-elevated permissions, you are unable to launch desktops or applications. Make sure you have full permissions to "HKCU\SOFTWARE\Citrix". If the user account does not, delete the Citrix key and then restart Receiver. The key should be recreated with the appropriate permissions. https://support.citrix.com/article/CTX226530
3 Upon launching a published desktop you receive error "The specified module could not be found". From a trace "AxWfIcaLib.dll" was missing. .NET 4.6.2 was reinstalled and the user's profile was recreated. Citrix Receiver for Windows 4.8. https://support.citrix.com/article/CTX226437
4 On first logon SelfService.exe crashes with message "Self-Service Plug-in exited unexpectedly". On second logon, it works. The desktop folder is missing from the default user's profile. Once added, Self Service works. https://support.citrix.com/article/CTX215296
5 The authentication window shows periodically even when Receiver is not opened. Create registry strings to suppress Self Service refresh. https://support.citrix.com/article/CTX213755
6 The Shift + F4 hotkey sequency may not function as expected after installing Receiver for Windows 4.7. Receiver for Windows 4.7 adds functionality for IME which is configured by default to use the Shift + F4 hotkey. You must change your custom hotkey to a different combination by editing the client machine registry. Citrix Receiver for Windows 4.7. https://support.citrix.com/article/CTX223049
7 When using a Surface Pro and attempting to span a Remote PC session, the Surface Pro screen looks OK but the second monitor has issues such as the resolution being wrong and black bars appearing along the top and sides of screen. Receiver for Windows is not a DPI aware application so depends on the Windows OS to scale the application as appropriate to the client's DPI settings. Set DPI scaling to 100% on both monitors and on the Surface Pro. https://support.citrix.com/article/CTX216648
8 Receiver might fail to perform the scan function with error message "Your operation is cancelled". Upgrade to Receiver for Windows 4.7. Citrix Receiver for Windows 4.5 and 4.6. https://support.citrix.com/article/CTX222885
9 wfica32.exe crashes when launching certain resources. wfica32.exe crashes with a divide by-zero exception when the cursor position is set in the Desktop Viewer window. To overcome this, delete keys under HKCU\Software\Citrix\XenDesktop\DesktopViewer.
10 When users double-hop, wfica32.exe consumes a high amount of CPU. Create a SlowHPCPolling registry key with a value between 2-500ms. It is required that you test the value in your environment to determine which value works best. It is recommended to start with 16ms but if you notice performance issues then you can increase or decrease the value. By default Receiver for Windows polls certain libraries and drivers every 2ms, which will ultimately consume more CPU on the VDA. https://support.citrix.com/article/CTX206788

SCOM Management Pack:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 SCOM Management Pack for StoreFront causes high memory usage and may spawn many cscript.exe and conhost.exe processes on Windows Server 2008 R2. Install patch on Windows Server 2008 R2 to update nsi.sys which prevents memory leak. Windows Server 2008 R2. https://support.citrix.com/article/CTX225624
2 Citrix Director cannot retrieve any of the latest SCOM alerts and presents you with error "Cannot get latest SCOM alerts". In "web.config" under "C:\inetpub\wwwroot\Director\" change the value of "Connector.SCOM.Identity" to "User". https://support.citrix.com/article/CTX224776
3 You may receive a "StoreFront Store Service Probe Failed" SCOM alert. This could be caused by a number of things as explained in the CTX article. https://support.citrix.com/article/CTX222920
4 StoreFront upgrade fails if the SCOM Management Pack Agent Service is running. Disable this service before installing StoreFront. If you are running StoreFront 3.11 or higher, you do not need to stop this service. Citrix StoreFront 3.9. https://support.citrix.com/article/CTX220935
5 The "Check Requirements and Configuration" task failes with "Unable to load DLL 'VDHelpder.dll'" after deploying SCOM to your Delivery Controllers. Install Visual C++ x64 Redistributable for Visual Studio 2013. https://support.citrix.com/article/CTX227372
6 The SCOM management pack reports a critical alert for "Citrix MPXAXD Agent Not operational". Make sure your Citrix License Server runs at a version supported by the SCOM Management Pack. Also make sure each Delivery Controller has .NET 4.5.2+ and Visual C++ 2013 installed. https://support.citrix.com/article/CTX227710
7 SCOM Management Pack install fails with error "Management Server not found" while using install parameter "Override" for "AgentInstallationSource". This issue will be addressed in a future SCOM MP release. As a workaround, do not use the "Override" parameter for "AgentInstallationSource" or instlal the Management Pack agents manually on the SCOM Agent servers. https://support.citrix.com/article/CTX227853

ShareFile:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 A blank white screen is displayed when logging on to ShareFile through NetScaler. Add a forward slash "/" to the end of the URL in the "Web Interface Address" dialog box. https://support.citrix.com/article/CTX207511
2 The "Unzip after uploading" or "Always unzip" checkbox is no longer available when uploading files to your ShareFile account. The Citrix ShareFile team are revieing this feature and it's use-case for future product enhancement and functionality improvements.
3 When sharing a link from the ShareFile 10.6 mobile app, you receive options to either use "Secure Mail" or "Native Mail". Upon selecting Native Mail the ShareFile app redirects you to "Secure Mail". Change the MDX policy Mail Redirection setting to "Native Mail". https://support.citrix.com/article/CTX227378

Skype for Business:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 When using the HDX RealTime Optimization Pack with Philips SpeechMike, you encounter unexpected behaviour such as the SpeechMike freezing, becoming unavailable or exhibiting unwanted behaviour. This was caused by RTOP querying an unsupported string descriptor and the Philips firmware not handling the request adequately. Upgrade to RTOP 2.3 and Philips SpeechMike firmware version 3.8.380+. https://support.citrix.com/article/CTX226621
2 Unable to answer Skype for Business calls by using buttons on the headset or base on a Plantronics Savi headset. Plantronics Savi requires usage of a wake-up message which was not implemented before. A bug fix "LC7873" is available from Citrix support. Otherwise this issue has been resolved in RealTime Optimization Pack 2.3. https://support.citrix.com/article/CTX226081
3 Moving the volume slider up or down within the Skype for Business options interface does not change the call volume. Using the Skype for Business options menu to adjust volume only affects future calls and will not change the volume of calls that are in-progress. To overcome this, you can use the volume option available in your meeting window. https://support.citrix.com/article/CTX225772
4 You cannot control the volume of a Skype call using the published desktop volume adjustment controls. When Skype for Business is in optimised mode, the call is running from the endpoint. Use your headset controls or client device to adjust the volume. Citrix is looking to resolve this in future releases. https://support.citrix.com/article/CTX225223
5 Users hear an echo under certain scenarios when making a Skype for Business call with HDX Optimization Pack 2.1 or 2.2. This is a known limitation of the product and whilst the RealTime Optimization Pack contains some functionality for echo cancellation this feature is being constantly improved. Skype for Business RealTime Optimization Pack 2.1 and 2.2. https://support.citrix.com/article/CTX221402

StoreFront & Receiver for Web:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 Workspace Control reconnects to only one application session instead of all the disconnected sessions. This issue currently exists when using Chrome to access Receiver for Web. You must manually click on each disconnected application. Citrix StoreFront 3.12.
2 An Active Directory account which is locked out can still access StoreFront if the site is setup using Web API/SDK. If the user tries to access StoreFront 30 minutes after the account is locked out, they are unable to log on. This happens because StoreFront caches user tokens in order to reduce the amount of requests sent to Active Directory. Try adding a "UserTokenTTL" DWORD to StoreFront with a value of "1" and restart IIS. https://support.citrix.com/article/CTX208901
3 You receive error "Cannot complete your request from external Access Gateway" and Event ID 7 is logged on StoreFront with error "The authentication protocols could not be enumerated". This is a known issue in StoreFront 2.1, restart the "Credential Wallet" service. Citrix StoreFront 2.1. https://support.citrix.com/article/CTX220096
4 During a StoreFront upgrade manual changes to the default.ica file are lost. This is expected as when StoreFront is upgraded files get deleted and recreated. You need to manually take a backup of any modified files before upgrading. https://support.citrix.com/article/CTX226419
5 The Desktop Viewer Toolbar is not available when launching virtual desktops using Receiver 3.1 and StoreFront Services 1.0. The Desktop Viewer Toolbar is not enabled by default in a StoreFront Services store. Open web.config on StoreFront and set 'showDesktopViewer="True"'. In newer versions of StoreFront this can be done via the StoreFront GUI. https://support.citrix.com/article/CTX131863
6 Favorites applications and desktops do not appear occasionally. Certificates missing from the Digital Signatures store caused several issues such as favorites not appearing occasionally. https://support.citrix.com/article/CTX226277
7 The change password option is shown for administrators but not for normal domain users. Active Directory is locked down, which is the problem. You need to configure permissions in Active Directory as explained in the CTX article. https://support.citrix.com/article/CTX225873
8 Attempting to launch an application returns erorr "Cannot start app". StoreFront reports "An SSL hostname is required but non was supplied". If you require internal SSL, make sure Delivery Controllers are configured correctly. If SSL is not required, make sure within "Manage Delivery Controllers" that your controllers are not set to HTTPS. https://support.citrix.com/article/CTX225849
9 Within the StoreFront console you receive error "An error occured during the compilation of a resource required to service this request" and "System.Drawing.dll could not be opened". A few folders and files may be missing from the wwwroot folder on StoreFront. Cope the missing items from a working StoreFront server including the "System.Drawing.dll" file and then run an iisreset. https://support.citrix.com/article/CTX220273
10 When upgrading StoreFront from 3.5 to 3.6 you receive error "An error occurred creating the snapshot" and "The system cannot find the file specified". Open "Citrix.DeliveryServices.ProtocolTransition.ServiceHost.exe.config" on your StoreFront server and change the version from "3.0.0.0" to "3.5.0.0". Citrix StoreFront 3.5. https://support.citrix.com/article/CTX223608

System Center Configuration Manager:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 You are unable to integrate Citrix Connector 3.1 with SCCM 2012 R2 and receive error message "Unable to connect to the SMS provider on port 5985". SCCM logs show "The Kerberos client received a KRB_AP_ERR_MODIFIED" error. Wrong/Corrupt SPN for the SCCM server in Active Directory which needs updating. https://support.citrix.com/article/CTX223898

Universal Print Driver & Server, General Printing:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 Using V4 native printer drivers (new to Windows 8/Server 2012 R2) is not supported by Citrix. You will experience printers failing to roam and get "Operation not permitted" or other errors when trying to print or access the print queue properties. Install V3 drivers on both the VDA and client or print server, or else use the Citrix Universal Print Driver on the VDA and V4 drivers on client or print server. https://support.citrix.com/article/CTX223749
2 Auto Client Printer Redirection fails even with the correct print drivers loaded and policies in place. The "Citrix Print Manager Service" log on account is set to "Network Service" which does not have permission to the printing virtual channel. Change the "Citrix Print Manager Service" log on account to Local System. https://support.citrix.com/article/CTX219663
3 Client printers on Mac and Linux clients fail to redirect to XenApp or XenDesktop sessions running on Windows 10, Windows Server 2012 R2 or Windows Server 2016 when configured to use the Citrix Universal Print Driver. To support Mac and Linux clients, the VDA makes use of an HP driver that was included in Windows 7 and Server 2008 R2 but no longer included in Windows 10, Server 2012 R2 or Server 2016. On each VDA, install the "HP Color LaserJet 2800 Series PS" driver manually. https://support.citrix.com/article/CTX140208
4 Users see printers from other user sessions. Check the value of the "DefaultPrnFlags" registry key. A value of "4000" equals to only local administrators being able to see auto-created printers. In this case, make sure your users are now local administrators of the VDA. https://support.citrix.com/article/CTX119684
5 It can take up to 6 minutes to enumerate printers within a session. It takes approximately 30 seconds to a minute for a printer to fail to map. Every printer the user does not have access to or that is offline/no longer on print server will add delay to enumerating all printers. You need to make sure either that the printers are online, or that users have access to the printers they need. https://support.citrix.com/article/CTX213548
6 The Universal Print Server (Upserver) component that ships with XenApp and XenDesktop 7.14 is no longer supported on Windows Server 2008 32-bit.
7 Session printers do not delete as appropriate as users roam between devices and sessions. For example, session printer "Printer_A" is assigned to "Client_A" and session printer "Session_B" is assigned to "Client_B" but when connected to Client A and then Client B you see both printers. This issue is reproducable with non-UPS printers on Server VDA 7.9 to VDA 7.15. Apply fix "LC8077". Windows Server VDA 7.9 to 7.15. https://support.citrix.com/article/CTX226539
8 When changing the policy setting "Print driver mapping and compatibility" your changes are not saved. As a workaround use the Citrix Group Policy PowerShell provider to edit this policy setting using "Add-PSSnapin Citrix.Common.GroupPolicy". https://support.citrix.com/article/CTX226589
9 Printer error code 41 is displayed on XenApp 7.6. Upgrade the VDA to 7.6.3, uninstall the existing Citrix Universal PDF Printer and then install the compatible 7.6.2.9 Citrix Universal PDF Printer. Citrix XenApp 7.6. https://support.citrix.com/article/CTX212952
10 The default printer is not retained in future Citrix sessions. Stop the Citrix Profile Management service and see if it still happens. Make sure registry key "Software\Microsoft\Windows\CurrentVersion\Windows" is included in Citrix profile synchronisation as this is where printers are saved. https://support.citrix.com/article/CTX220323

VMware ESX:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 After upgrading VMware ESX to 6.0, you get message "VMware Tools: Out of Date" on the VPX virtual machine. This is because VPX uses a customised version of the VM Tools package which is not upgraded during an ESX upgrade. This will not affect the functionality of the VPX. To use the latest customised VM Tools, upgrade to any released build after 11.0.65.x or any 11.1 builds. https://support.citrix.com/article/CTX224604

Windows 10:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 A green popup window appears briefly prompting to press "Win + G" for the game bar or search bar when launching published applications or desktops from a Windows 10 client. Create a DWORD with name "AllowGameDVR" and value of "0" within "HKLM\Software\Policies\Microsoft\Windows". https://support.citrix.com/article/CTX226423
2 When logged on to a Windows 10 desktop, the disconnect option is not available. Instead an empty box appears. Citrix and Microsoft have to work together to develop a fix for this issue. As part of the Windows 10 design, the Start Menu will only contain the disconnect option when the OS detects the desktop is being accessed via RDP. Citrix (ICA) connections use a different approach and remote sessions are established as "console" sessions in order to better support some of the HDX features and provide a user experience that is as close to using a physical machine as possible. As a workaround use the disconnect button on Citrix Receiver for Windows desktop viewer toolbar or create a shortcut on the Windows 10 Start Menu to "TSDiscon.exe". https://support.citrix.com/article/CTX225970
3 Using Citrix Profile Management 5.8 or previous with Windows 10 Redstone 1 (Anniversary Update) can cause the Start Menu to become unresponsive after several logons and logoffs. This has been fixed in Windows 10 Redstone 2 (Creators Update). https://support.citrix.com/article/CTX224495
4 The lock screen background image does not appear when Receiver for Windows is installed on some Windows 10 builds. Install KB4022723 to fix as found by Helge Klein. https://support.citrix.com/article/CTX223741
5 Small mouse cursor when using Windows 10 Creators Update with Receiver for Windows 4.6 and 4.7. There seems to be no definitive fix as yet. (1st Sep.2017). Windows 10 Creators Update. https://discussions.citrix.com/topic/386421-strange-behavior-in-citrix-receiver-on-win10-creators-update/
6 File Type Associations fail to roam on Windows 10 using Citrix Profile Management. Upgrade to Profile Management 5.8. If you cannot upgrade yet, a workaround is to delete "Speech_OneCore=" from the UPM exclusion list (you are including it for synchronisation) and add "TileDataLayer" to the "Folders to mirror" policy setting. Citrix Profile Management 5.7. https://support.citrix.com/article/CTX222433

https://support.citrix.com/article/CTX221380
7 Upgrading a Windows 10 v1511 VDA to v1607 fails with VDA 7.14.1 or 7.15 LTSR installed. Before upgrading, uninstall the VDA and then reinstall after ugrade is complete. This is the supported to upgrade. https://support.citrix.com/article/CTX227856
8 When connecting to a Windows 10 v1511 VDA that has just been upgraded from 7.11 to 7.13, you receive a grey screen. This issue is specific to Windows 10 v1511. At times during a 7.11 VDA upgrade to 7.13, "ctxuvi.sys" does not get updates. If you manually replace the file with the correct 7.13, the issue is resolved. Windows 10 1511. https://support.citrix.com/article/CTX227855

Windows Server 2016:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 Microsoft Office 2016 fails to register on Windows Server 2016. Add "sppsvc.exe" to "UviProcessExcludes" string in registry. If the string value is not present, create it. The location to create is "HKLM\SYSTEM\CurrentControlSet\Services\CtxUvi". https://discussions.citrix.com/topic/381117-microsoft-office-cant-find-your-license-for-this-application/
2 Using Citrix Profile Management 5.8 or previous with Windows Server 2016 Anniversary Update can cause the Start Menu to become unresponsive after several logons and logoffs. This has been fixed in Windows 10 Creators Update but there is no mention of a fix for Windows Server 2016. https://support.citrix.com/article/CTX224495
3 Desktop icons flickering on Windows Server 2016 running under XenApp or XenDesktop 7.12/7.13. As a workaround create registry key "{031E4825-7B94-4dc3-B131-E946B44C8DD5}" under "HKCU\Software\Classes\CLSID". Windows Server 2016 and XenApp/XenDesktop 7.12/7.13. https://discussions.citrix.com/topic/386286-xenapp-71213-server-2016-desktop-icons-flickering/
4 Applications on a second monitor are cropped when maximised. The VDA runs Windows Server 2016 and XenDesktop 7.13+ with Receiver for Windows 4.7 or 4.8 being used to access the published application. This will be fixed in XenApp and XenDesktop 7.15. Alternatively a private fix "LC7854" is available from Citrix support. Windows Server 2016 and XenApp/XenDesktop 7.13/7.14. https://discussions.citrix.com/topic/387975-app-on-second-monitor-cropped-when-maximized
5 Parts of the screen is blacked out on published applications or desktops launched from a Server 2016 VDA. This is a known issue and is currently being investigated. https://support.citrix.com/article/CTX227038

Workspace Environment Management:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 WEM 4.3 Infrastructure Service crashes intermittently. There is a private hotfix, contact Citrix support. Citrix Workspace Environment Management 4.3.
2 Some security related settings such as hiding the run box may not be applied and the WEM Agent throws "exception denied" errors. There are a couple of things to check such as making sure the VuemLocalUser account is not denied the right to log on locally and that the "Process Environmental Setting" options is checked. More steps are outlined in the CTX article. https://support.citrix.com/article/CTX219088
3 Event Log reports "Error while changing IO priority to high for process" for processes related to anti-virus. Antivirus software generally protects their related processes from adjustment by other processes in the operating system. Workspace Environment Management 4.1 contains updated code to identify when an anti-virus program prevents adjustment of a process priority so that the error is not logged in Event Viewer. Previous versions of WEM also correctly identified this behaviour but logged the event as an error. https://support.citrix.com/article/CTX219492
4 The WEM SQL error log file grows to an abnormally large size. The log file is flooded with entries such as "Closed due to following error" and "Remote service has been dropped". Check you have installed the relevant SQL hotfix as described in the CTX article. https://support.citrix.com/article/CTX219087
5 The SQL database grows to over 20GB. This can be caused by lack of purging/backing up of the SQL Transactions Logs, so they continue to grow. https://support.citrix.com/article/CTX228057
6 Transformer does not auto-launch after user logon. Make sure "Launch Agent at Reconnect" is applied within WEM under "Advanced Settings -> Main Configuration". https://support.citrix.com/article/CTX228058
7 Links in "This PC" still point to local folders rather than the redirected folders that WEM is set to configure. Upgrade to WEM 4.4. Citrix Workspace Environment Management 4.3. https://support.citrix.com/article/CTX228060

XenApp & XenDesktop (excluding Machine Creation Services):


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 Windows Media Player throws an error "An error occured while playing the file" when attempting to play mp4 videos. A new registry DWORD needs to be created within "HKLM\Software\Citrix\HDXMediaStream" for 32-bit machines and "HKLM\Software\Wow6432Node\Citrix\HdxMediaStream" for 64-bit machines. The DWORD name is "UseDefaultRenderers" with a value of "0x1". Citrix XenDesktop 7.6 to 7.13. https://support.citrix.com/article/CTX227223
2 USB redirection is not working for signature pad. Manufacturers of signature pads may provide additional client and/or server components that need to be loaded in order for signature pad operations to succeed in ICA sessions. For example ePAD provides drivers for the client and server and an ePadLink utility for testing functionality on both the client and VDA. These components may also enable the redirection of signature pads into the VDA session. https://support.citrix.com/article/CTX212103
3 XenApp 7.6 VMs randomly become unresponsive. A deadlock situation between 2 threads causes this issue. Upgrade the VDA to version 7.8 which contains fix "LC4195". Citrix XenApp 7.6. https://support.citrix.com/article/CTX208386
4 Citrix Studio reports "The security timestamp is invalid" when browsing Machine Catalogs or Delivery Groups. Resync the clock of each Delivery Controller in the farm using command "w32tm /resync". The default maximum acceptable different in time between a client computer clock and the Domain Controller clock is 5 minutes. https://support.citrix.com/article/CTX223992
5 VDA failed to uninstall or upgrade because profilemgt_x64.msi failed to uninstall. The error reported is "Installation of MSI File 'profilemgt_x64.msi' failed with code 'InstallFailure' (1603)". This is to be resolved by Citrix. In the meantime, you should as a workaround follow the three steps contained in the CTX article. Citrix XenDesktop 7.6 or 7.6 LTSR. https://support.citrix.com/article/CTX226859
6 VDA blue screens randomly and all changes on standalone VDA are lost after reboot. Attach the VDA VHD to another computer, open the System hive, make registry changes noted in CTX article and then detach the VHD. Citrix XenApp 7.11. https://support.citrix.com/article/CTX222825
7 You receive error "Could not connect to Orchestration Service" after upgrade to XenDesktop 7.15. During the Site upgrade the "OrchDBConnection" and "TrustDBConnection" schema was not created. You must run the failed commands manually to create the Orchestration database connections. Citrix XenDesktop 7.15. https://support.citrix.com/article/CTX226882
8 Schannel Event IDs 36888 and 36874 are reported on VDAs. These errors appear due to the client and server being unable to communicate correctly, which may be caused by certificate or cipher suite issues. Citrix report that it is safe to ignore these errors. https://support.citrix.com/article/CTX226770
9 A "1030" error occurs when connecting to a Remote PC connection. Turn off the proxy in Internet Explorer or set "ProxyType" to "None" in default.ica. McAfee Web Gateway was configured as a proxy on the client. This was blocking the ICA connection request from reaching the VDA. This issue could be caused by other proxies too. https://support.citrix.com/article/CTX226744
10 When connecting to a published desktop from Mozilla Firefox you receive "The connection to ... failed with status (Unknown client error 0)" or "Unable to launch your application. Contact your help desk with the following information: Cannot connect to the Citrix XenApp Server. The Citrix SSL server you have selected is not accepting connections". Download Firefox 53.067 64-bit. It seems that the 32-bit version of Firefox 52.0.2 is not working and causing these errors. Citrix XenDesktop 7.12. https://support.citrix.com/article/CTX222961

XenMobile:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 When opening PDF links through Secure Web Adobe does not appear as an "Open-in" option. The PDF is actually embedded in HTML, which is why Adobe is not given as an option. https://support.citrix.com/article/CTX227373
2 If a users device is deleted from XenMobile Server, you are unable to enroll the iOS/Android device again. Perform a migration from XDM 9 to XMS 10.x using the latest XenMobile migration tool. https://support.citrix.com/article/CTX227359
3 When users try to enrol or download apps they receive error "Cannot complete request" in Secure Hub. Upgrade to XenMobile Server 10.5 Rolling Patch 2. https://support.citrix.com/article/CTX227312
4 Emails are received in Secure Mail on Android 7 but notifications do not show on the screen. In Secure Mail check the "Check frequency" setting. The preferred value is "Auto". Next check notifications are switched on for Secure Mail by navigating to "Settings -> Notifications". Also check to make sure power saving mode is not switched on, which may prevent notifications from showing. This behaviour in power saving mode can be modified to show notifications for Secure Mail. https://support.citrix.com/article/CTX227296
5 Policies and applications do not push to iOS devices from XenMobile 10.5 configured with a proxy server. APNS traffic does not work with Auth and can be configured without authentication as HTTP or SOCKS. https://support.citrix.com/article/CTX227187
6 You cannot bind secure LDAP on XenMobile. If you have more than one Domain Controller, install each certificate on XenMobile Server. Also enter the Domain Controller's FQDN in the primary and secondary server fields in LDAP configuration on XMS. Citrix XenMobile 10.6. https://support.citrix.com/article/CTX227209
7 Windows phone partially enrols on XenMobile. The device is listed as managed on the XenMobile console but all the properties for the device are not listed. Make sure the XenMobile Server certificate has not expired. If it has, renew it. https://support.citrix.com/article/CTX210483
8 Secure Mail prompts for a pin such as when the application sleeps or wakes. This is due to iOS intervention. As iOS puts applications such as Secure Mail to sleep such as when the battery is low. This can also cause notifications to not be delivered until the user brings Secure Mail to the foreground by explicitly opening it. https://support.citrix.com/article/CTX224215
9 "Incorrect credentials" error received when trying to enrol a device even though the credentials are correct. Test on other users to see if this is specific to certain accounts. On the affected accounts, within Active Directory, check the samAccountName/UPN is correct. https://support.citrix.com/article/CTX214077
10 Un-enrolled devices still show as managed. This is expected behaviour. When a device is un-enrolled client side, the device will remain as managed on XenMobile Server due to the device no longer communicating with XMS. This is not a concern because the secured data that was on the device will no longer be accessible. In a future release, there may be a change to XenMobile that prevent un-enrolling until the device has connectivity to XMS. https://support.citrix.com/article/CTX227005

XenServer:


wdt_ID Brief Description of Issue Brief Description of Fix Applicable Product Versions Affected (if known) Link to supplemental Support Article(s)
1 A XenServer 6.2 to 7.1 upgrade fails with "[Errno 28] No space left on device:'/tmp/backup-rORnXu/.xen-backup-partition'". Find the folders with high inode usage, check which folders have a high number of files e.g. temporary files, and then delete the files from each folder. https://support.citrix.com/article/CTX227290
2 When attempting to install XenTools you receive error "Your Tools ISO is on a broken SR, XenServer will attempt to fix it before proceeding. Do you wish to continue?". Within "xensource.log" is error "Storage_interface.Sr_not_attached". Search for stale/duplicate XenServer Tools Storage Repository by running command "xe sr-list name-label="XenServer Tools". If there are multiple entries, find each one with state "currently-attached (RO): false" and forget them. https://support.citrix.com/article/CTX220219
3 XenServer time is incorrect after changing the BIOS time. Make sure all XenServer hosts in the pool have identical NTP servrs specified. You may have to manually restart the "ntpd" service and then run a manual sync as explained in the CTX article. https://support.citrix.com/article/CTX226572
4 Virtual Machine cannot start with error "VDI is being used by another operation". Look for instances where the VBD is attached to other VMs as described in the CTX article. https://support.citrix.com/article/CTX214407
5 On some high resolution monitors, the XenServer console does not display. Use an alternative monitor or connect remotely via SSH for example and edit the grub config file to edit the VGA section, as outlined in the CTX article. https://support.citrix.com/article/CTX226191
6 You receive error "Internal error: Connection failed: no host resolved" when adding a new server to the pool. Reconnect XenCenter with the IP address of the pool master and then try again. https://support.citrix.com/article/CTX224728
7 Applying a patch through XenCenter results in error "invalid_file". Trying to patch via CLI hangs. This is caused by no SR being elected as the default SR. Right-click on an SR and set it as default. Citrix XenServer 7.1. https://support.citrix.com/article/CTX224142
8 After upgrading an HPSA driver XenServer can no longer boot. You see error "Kernel panic" on the XenServer console. Before upgrading the HPSA driver, add options "hpsa hpsa_allow_any=1" to "/etc/modprob.conf". https://support.citrix.com/article/CTX223518
9 When importing a VHD into XenCenter you receive error "No local storage and no default storage: cannot import Transfer VM" on the XenServer console. Set a default SR for the pool in XenServer and then reinstall the Transfer VM using the steps provided in CTX article. https://support.citrix.com/article/CTX215142
10 The Management Interface shows blank in the Nteworking tab on XenCenter and the pool Management Network bond shows as "unknown" after adding a host to the pool. Find and forget all NICs that are disconnected on both the master host and the host you just added. Citrix XenServer 7.1. https://support.citrix.com/article/CTX223314


13 Comments

  • Eric

    September 12, 2017

    My jaws are on the floor, you rock ! Thank you for helping me doing a better job.

    Reply
    • George Spiers

      September 12, 2017

      I hope you can pick your jaw up off the floor! 🙂 No problem, happy to hear it helps.

      Reply
  • Markus Löffler

    September 13, 2017

    i got one thats not on your list or i did not find it : Dual Monitor issue https://support.citrix.com/article/CTX226976

    Reply
    • George Spiers

      September 13, 2017

      Thanks. I’ve added.

      Reply
  • Florian Frank

    September 13, 2017

    I think I’m in love 🙂 Thank you!!

    Reply
  • Pilot

    September 14, 2017

    Citrix receiver 13.6 Linux (Ubuntu 14.04 LTS, Ubuntu 16.04 LTS

    After connect? all fine? but when mouse move – connection break, and reconnected … Why ????
    (video – NVidia (375.66)

    Reply
    • George Spiers

      September 15, 2017

      Does the same happen on 13.5 or a non-GPU enabled VDA?

      Reply
      • Pilot

        September 15, 2017

        I’m try it (13.5) not worked …It works until you move the mouse (etc. 13.6)

        uname -vrp && dpkg -l | egrep ‘icacli|nvidia’
        4.10.0-33-generic #37~16.04.1-Ubuntu SMP Fri Aug 11 14:07:24 UTC 2017 x86_64
        icaclient 13.5.0.10185126 amd64 Citrix Receiver for Linux
        nvidia-375 375.66-0ubuntu0.16.04.1 amd64 NVIDIA binary driver – version 375.66
        nvidia-opencl-icd-375 375.66-0ubuntu0.16.04.1 amd64 NVIDIA OpenCL ICD
        nvidia-prime 0.8.2 amd64 Tools to enable NVIDIA’s Prime
        nvidia-settings 361.42-0ubuntu1 amd64 Tool for configuring the NVIDIA

        Reply
        • George Spiers

          September 15, 2017

          Try it on a non-GPU enabled VM and via Citrix Receiver for Windows from another machine.

          Reply
          • Pilot

            September 15, 2017

            On Windows 7/8.x Citrix Reciever v. 4.9 (build 14.9.0.25.39) opened this host fine.

            On linux Ubuntu, i switch graphics to X.Org driver, but ger error “reconnect” again…

            lspci -nnk | grep -i vga -A3 | grep ‘in use’
            Kernel driver in use: nouveau

          • George Spiers

            September 15, 2017

            You are best contacting Citrix support with this issue.

  • Dennis

    September 14, 2017

    This is just awesome!!! I already found some solutions for issues I’m struggling with. Keep up that great work, I’m very thankful! Thumbs up!

    Reply
    • George Spiers

      September 15, 2017

      Thanks Dennis!

      Reply

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