Windows 10 20H1 (Insider Preview Builds) – Citrix Known Issues

Microsoft releases regular builds of the next version of Windows 10 through their Insider Preview Program. Citrix does not support Insider Preview builds as stated on CTX224843 – Windows 10 Compatibility with Citrix XenDesktop.

This article is intended to capture known issues with Windows 10 20H1 that have been identified so far through Citrix internal testing and customer reports for the benefit of customers who are conducting early testing in preparation for when the Semi-Annual Channel release of 20H1 becomes available.

Note:

  • This is a live article and is updated as and when new information is available.
  • All the issues mentioned in this article have been noticed with 20H1 builds up to 19041.208

Known Issues

The following are the known issues:

Issue 1

Issue Description

Citrix User Profile Manager (UPM) may stop working after Windows 10 with VDA installed is upgraded to 20H1 OR it may break the native Windows applications like notepad, calculator etc when UPM is configured on fresh install of 20H1.

[TPV-2706]

Problem Cause

Changes in 20H1 is causing this issue.

Solution

This issue is fixed in Citrix Virtual Apps and Desktops 7 2003.


Issue 2

Issue Description

Users are unable to uninstall Desktop Lock if Windows 10 was upgraded to 20H1 with Desktop Lock and Workspace App installed.

[TPV-744]

Problem Cause

During the upgrade,the key CtxBackupShell is getting removed under [HKLM -> SOFTWARE -> Microsoft -> Windows NT -> CurrentVersion -> Winlogon] . As a result, an error message “1: Read failed HKLMSOFTWAREMicrosoftWindows NTCurrentVersionWinlogonCtxBackupShell=(32bit on 32bit)” is displayed.

Solution

This issue is resolved with 20H1 builds 18999 and newer.


Issue 3

Issue Description

Printers part of Universal Print Server are no longer mapped after Windows 10 is upgraded to Windows 10 20H1. This issue is not seen with fresh install of Windows 10 20H1.

[LCM-5677]

Solution

There is no solution. Support for custom print drivers have been deprecated by Microsoft.


Issue 4

Issue Description

Unable to print using client mapped printers if Universal Print Driver is used with a Windows 10 20H1 VDA.

[LCM-5691]

Solution

This issue is resolved with 20H1 builds 18990 and newer.


Issue 5

Issue Description

On Virtual Machine’s (hosted on vSphere) with VM version 14 and boot option EFI, a failure may be seen when you upgrade Windows 10 machine to 20H1 with an error “We can’t tell if your PC is ready to continue installing Windows 10. Try restating the setup”

[TPV-2703]

Solution

Installing the latest VMWare tools 11.0.0.x before attempting to upgrade to 20H1 resolves this issue.

Issue 6

Issue Description

When Windows 10 machine with Citrix Workspace Environment Management (WEM) Agent 1803 or newer is upgraded to 20H1, WEM fails to work. This issue is not seen with WEM versions up to 4.7

[TPV-1184]

Problem Cause

The ‘Norskale’ key under [HKLM -> System -> CurrentControlSet -> Control] is getting removed during the upgrade to 20H1.

Solution

This issue is resolved with builds 19018 and later.


Issue 7

Issue Description

When Windows 10 machine with VDA installed is upgraded to 20H1 build 19025, users may experience a failure with VDA registration.

[TPV-2772]

Solution

This issue is resolved with 20H1 builds 19030 and newer.

Issue 8

Issue Description

On Windows 10 20H1 end point with Receiver/Workspace App, when a network interruption is caused by disabling the Network Interface from Control Panel, Session Reliability feature fails to work.

[RFWIN-15116]

Problem Cause

Changes in Windows 10 20H1 Operating System is making the Session Reliability to fall back to Auto Client Reconnect when the network is disrupted.

Solution

This issue has been fixed in Citrix Workspace App.

  • Users on Current Release of Worspace App are advised to upgrade to version 2002 or its replacement that contains the fix.
  • Users on the LTSR version of Workspace App are advised to upgrade to version 1912 or its replacement that contains the fix.

Issue 9

Issue Description

On Windows 10 20H1 end point with Receiver/Workspace App, when a network interruption is caused using Firewall, Session Reliability feature fails to work.

[RFWIN-15263]

Problem Cause

Changes in Windows 10 20H1 Operating System is making the Session Reliability to fall back to Auto Client Reconnect as soon as the the network is disrupted.

Solution

There is no solution. Citrix is working with Microsoft to resolve this issue.

Issue 9

Issue Description

ICA launch of Citrix VDA installed on Windows 10 Virtual Desktop v20H1 fails.

[TPV-3025]

Problem Cause

Changes in Windows 10 20H1 Operating System is causing this issue.

Solution

There is no solution. Citrix is working with Microsoft to resolve this issue.

Issue 10

Issue Description

Following upgrade to Windows 10 v20H1, user personalization layer (UPL) services will no longer be able to start during logon. This prevents user layer disks from attaching or being created when users log into their desktops. Note, this issue does not impact App Layering User Layers, it only affects user personalization layer for Virtual Apps and Desktops

Problem Cause

During upgrade to Windows 10 20H1 Microsoft is removing the UPL service key and service from the Winlogon chain.

Solution

There is no solution. Citrix is working with Microsoft to resolve this issue. A workaround for this issue is to uninstall and reinstall the VDA as this will re-register the UPL login services correctly.

Related:

Leave a Reply