Thursday, July 17, 2014

First Recommended Hotfixes for XenDesktop/XenApp 7.5 Released

On July 10th the first recommended hotfixes for XenDesktop 7.5 were released. Additionally, on today July 17th, a private hotfix to fix the policy management console was finally released. Hopefully this will go public soon as I have run into the errors outlined in that hotfix on numerous occasions. 

Citrix recommended hotfixes from are in bold. 

Delivery Controllers Hotfixes

(Version 7.5.1) (For: Citrix Studio 7.1 and 7.5) (x86 if required: DStudio750WX86001)
  1. This fix addresses a memory issue in an underlying component.

Limited Release: Hotfix GPMx220WX64001 
(Computers running the 64-bit version of Windows 7, Windows 8, Windows 8.1, Server 2008 R2, Server 2012, or Server 2012 R2, with the Group Policy Management Console installed)
  1. The priority order of GPOs is reversed in the following scenarios:
    • After upgrading from Version 1.7 to Version 2.1 of the Citrix Group Policy Management Console.
    • After exporting GPOs from Version 1.7 or earlier of the Citrix Group Policy Management Console and importing them into Version 2.1 or later of the Citrix Group Policy Management Console. 
    • Note: This fix does not address the issue for GPOs that were modified using Version 2.1 of the Citrix Group Policy Management Console; it will prevent the issue only with GPOs you modify going forward. To fix the reversed priority order of existing GPOs you modified in Version 2.1 of the Citrix Group Policy Management Console, you must manually adjust the priority order of the affected GPOs once you install this fix.
  2. When making changes to Citrix policies in Citrix Studio the following error message appears:
    • "Changes made to policies outside of this console, such as in PowerShell or management tools from previous versions, resulted in a discrepancy between policies.
    • The priorities for policy [PolicyA's name] and policy [PolicyB's name] interfere with each other in the "user" and "computer" components. The priorities must be assigned in the same order for both policies."
    • Note:
      • This fix prevents any issues occurring with merged policies. If the error message appears before applying the fix, then you must manually adjust the priority order after installing this fix.
        • For example, if two merged policies, PolicyA and PolicyB, are swapped and a user setting is added to PolicyB, the issue occurs. To prevent the issue from occurring, run the following commands on Citrix Delivery Controller:
          PS>Add-PSSnapin Citrix.Common.GroupPolicy
          PS>New-PSDrive Site –PSProvider CitrixGroupPolicy –Root \ -Controller localhostPS>cd Site:\Computer[Note the PolicyA's computer setting priority]PS> cd ..PS>cd Site: \UserPS>Set-ItemProperty PolicyA -Name Priority -Value [PolicyA's computer setting priority]
      • You can configure user and computer settings in the same policy and both settings can have the same priority order. Occasionally, the priorities for the settings might be different. 
        • For example, PolicyA and PolicyB have the same user and computer settings, but the computer setting priority of PolicyA is higher than PolicyB. In this instance, configure the user setting of PolicyA to be higher than PolicyB.
  3. After editing the built-in "Unfiltered" policy, the following error message appears:
    • "Changes made to policies outside of this console, such as in PowerShell or management tools from previous versions, resulted in a discrepancy between policies.
    • The Enabled Flag for the "user" and "computer" components of the policy Unfiltered must have the same value."
    • Note: This fix prevents any issue occurring with unfiltered policies. If the error message appears before applying the fix, you must manually enable the flag of the "Unfiltered" policy by using PowerShell commands (cmdlet) after installing this fix.
      • For example, if "Unfiltered" has only computer settings configured and the Enabled flag is clear, run the following commands in Citrix Delivery Controller:
        PS>Add-PSSnapin Citrix.Common.GroupPolicy
        PS>New-PSDrive Site -PSProvider CitrixGroupPolicy -Root \ -Controller localhostPS>cd Site:\UserPS>cd Site:\User\UnfilteredPS>Set-ItemProperty . -Name Enabled -Value True
  4. The following error message appears when opening the Citrix Studio and selecting the policy node:
    • "The priority of the "user" and "computer" components of policy <policy name> must have the same value."

Desktop OS x86 & x64 Host Hotfixes

(Server or Desktop VDA x86) [x64 if ever needed see server section]
  1. This fix addresses a session brokering issue.

(Desktop VDA x86) [x64 if ever needed: XD710ICAWSWX64005]
  1. COM port redirection can fail after upgrading Version 5.1 of VDI-in-a-Box to Version 5.3.
  2. This fix addresses various session brokering issues.

(Desktop VDA x86) [x64 if ever needed: XD710ICAWSWX64004]
  1. This enhancement provides additional compatibility with Nvidia's GRID API related to GPU pass-through and vGPU use cases.

(Desktop VDA x86) [x64 if ever needed: XD710ICAWSWX64001]
  1. In Cisco WAAS deployments, the session reliability feature fails to automatically reconnect sessions dropped from VDAs.
    To enable this fix, you must set the following registry key on affected VDAs and then restart those systems:
    HKEY_LOCAL_MACHINE\SOFTWARE\Citrix\XTEConfig
    Name: CgpDisableBranchRepeaterSessionReliability
    Type: REG_DWORD
    Data: 1 (enabled); 0 (disabled)

(Desktop VDA x86) [x64 if ever needed: ICAWS750WX64007
***Replaces XD710ICAWSWX86002, XD710ICAWSWX86003
  1. In sessions on VDAs with Desktop Composition Redirection enabled (default) and Fix #LA5736 (XD710ICAWSWX86003) installed, the mouse pointer might not honor the boundaries of the desktop.
  2. (from replaced hotfix) This enhancement provides better performance when running VDAs on hosts with AMD or Intel graphics (for example, physical PC, pass-through GPU, or vGPU).
  3. (from replaced hotfix) Mouse pointer movement is not visible in the Lync conversation window if you share your virtual desktop.
  4. (from replaced hotfix) After a virtual desktop session reconnects, the VDI log on dialog box does not appear and Lync in the virtual environment is no longer paired with the Lync VDI plug-in.

Server Session Hosts x64 Hotfixes

(Server or Desktop VDA x64)
  1. This fix addresses a session brokering issue.

(Server VDA x64)
  1. In Cisco WAAS deployments, the session reliability feature fails to automatically reconnect sessions dropped from VDAs.
    To enable this fix, you must set the following registry key on affected VDAs and then restart those systems:
    HKEY_LOCAL_MACHINE\SOFTWARE\Citrix\XTEConfig
    Name: CgpDisableBranchRepeaterSessionReliability
    Type: REG_DWORD
    Data: 1 (enabled); 0 (disabled)
(Server VDA x64)
  1. Attempts to open Microsoft Office files in a virtual desktop session might take a longer time to open. Additionally, when a published application is started and then minimized, it can no longer be restored or maximized from the taskbar.

(Server VDA x64)
  1. Certain session time limit policies of Remote Desktop Services might fail to work on Windows Server 2012 VDAs.
  2. The Citrix "Server idle timer interval" policy in Citrix Studio does not work for Windows Server 2012 VDAs.

Limited Release: Hotfix XD710ICATSWX64003 
(Server VDA x64)
  1. The session graphics of certain applications can fail to update. As a result, the session appears frozen.
  2. With the default graphics mode enabled, certain applications can prevent screen updates. As a result, the session can appear unresponsive.

Limited Release: Hotfix XD710ICATSWX64005 
(Server VDA x64)
  1. The Citrix Audio Service exits unexpectedly when logging off from the server.

Limited Release: Hotfix ICATS750WX64007 
(Server VDA x64) 
***Replaces: XD710ICATSWX64002

  1. The Windows Event Viewer occasionally displays the following error message with Event ID 9026. The error is benign and can safely be ignored.
  2. "Error %1 received while obtaining a license for a Citrix XenApp client connection. A grace license has been granted."
  3. (from replaced hotfix) Certain session time limit policies of Remote Desktop Services might fail to work on Windows Server 2012 VDAs.
  4. (from replaced hotfix) The Citrix "Server idle timer interval" policy in Citrix Studio does not work for Windows Server 2012 VDAs.



 References:

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