Recommended Citrix and Microsoft Hotfixes for XenApp 6 and Windows Server 2008 R2

Based on Citrix Technical Support experience and customer feedback, the following Citrix and Microsoft hotfixes have been found to resolve the most common issues with XenApp 6 and Windows Server 2008 R2. These hotfixes focus on basic functionality and stability. For a complete list of Citrix hotfixes for XenApp 6, please click here.

 

Citrix
XA600W2K8R2X64002

  • Installing hotfixes or performing a repair on the base product for Citrix XenApp 6 for Windows Server 2008 R2 can inadvertently remove the Citrix Licensing component, if present, from the system. This fix prevents the Citrix Licensing component from being removed when installing subsequent hotfixes.

XA600W2K8R2X64003

  • Servers running XenApp 6 can become unresponsive while shutting down. The issue occurs when when the picadm.sys driver encounters certain error conditions that prevent it from shutting down gracefully

XA600W2K8R2X64010

  • This enhancement is a part of the XenApp Printing Optimization Pack. The Printing Optimization Pack improves the user experience and printing speed by reducing the printer bandwidth required. For more information, including system requirements, required components, and known issues, see XenApp Printing Optimization Pack in eDocs, the Citrix Product Documentation Library.

XA600W2K8R2X64017

  • This fix addresses session reliability issues that can occur when using multiple, disparate client devices to reconnect to the same session.

XA600W2K8R2X64019

  • Certain applications fail to launch when Admin Approval Mode is enabled in User Account Control

XA600W2K8R2X64021

  • This fix addresses a security vulnerability. For more information, see Knowledge Center article CTX128169

XA600W2K8R2X64026

  • Attempts to log on to a XenApp 6 server using Version 7 or earlier of the clients can cause svchost.exe to exit unexpectedly. As a result, further connection attempts to the server fail until it is restarted.
  • The CPU consumption of the CitrixCseEngine.exe process can spike unexpectedly and cause logon delays.
  • Attempts to launch a published application that resides on a mapped network drive rather than on a XenApp server fail

XA600W2K8R2X64029

  • Servers might experience a fatal exception, displaying a blue screen, with bugcheck code 0xf4 on IMAAdvanceSrv.exe.
  • Attempts to launch Windows Internet Explorer from an http, https, or mms hyperlink embedded in a streamed application fail. The issue occurs because XenApp 6 does not create the HKEY_CLASSES_ROOT\htmlfile\shell\opennew\command_backup registry key as part of server file type association

Microsoft
KB979530

  • A Windows Server 2008 R2-based Remote Desktop server denies some connection requests randomly under heavy logon or logoff conditions

KB975777

  • Delay when you shut down, restart, or log off on a Windows Server 2008 R2

KB980663

  • Stop error in Windows 7 and in Windows Server 2008 R2 if a heavy load situation exists or if connectivity issues exist: “STOP: 0x000000B8”

KB2265716

  • A computer that is running Windows Server 2008 R2 stops responding randomly

KB2465772

  • An application or service that uses Winsock API or Winsock Kernel API may randomly stop responding in Windows Server 2008 R2

KB917607

  • Installs 32-Bit help System 2008R2 may be required if hosting 32-bit applicaitons

KB2383928

  • Remote desktop sessions do not completely exit, and you cannot establish new remote desktop sessions to a computer that is running Windows Server 2008 R2

KB983460

  • Startup takes a long time on a Windows 7 or Windows Server 2008 R2-based computer that has an Intel Nehalem-EX CPU installed

Source: http://forums.citrix.com/thread.jspa?threadID=282924

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Kees Baggerman

Kees Baggerman is a Staff Solutions Architect for End User Computing at Nutanix. Kees has driven numerous Microsoft and Citrix, and RES infrastructures functional/technical designs, migrations, implementations engagements over the years.

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