Hotfix rollup 2977294 is available for the .NET Framework 2.0 in Windows Server 2008 SP2 and Vista SP2

Applies to: Windows Server 2008 Service Pack 2Windows Vista Service Pack 2


This article describes hotfix rollup 2977294 for the Microsoft .NET Framework 2.0. This hotfix rollup fixes an issue in the .NET Framework 2.0. For more information about the issue that this hotfix rollup fixes, see the "More Information" section.

This hotfix rollup is available for the following operating systems:
  • Windows Server 2008 Service Pack 2 (SP2)
  • Windows Vista SP2

More Information

Hotfix Information

A supported hotfix is now available from Microsoft. However, it is intended to correct only the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Customer Support Services to obtain the hotfix. For a complete list of Microsoft Customer Support Services telephone numbers and information about support costs, visit the following Microsoft website:Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.


To apply this hotfix, you must have the .NET Framework 2.0 installed.

Restart requirement

You must restart the computer after you apply this hotfix if any affected files are being used. We recommend that you exit all the .NET Framework-based applications before you apply this hotfix.

Hotfix replacement information

This hotfix package does not replace a previously released hotfix package.

Issues that this hotfix rollup resolves

Issue 1

When you use a Microsoft .NET Framework 2.0 Service Pack 2 (SP2) Windows Service in a Citrix environment, the service cannot receive session change activities for different Citrix users.