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Article ID: 2500446 - Last Review: April 4, 2011 - Revision: 1.0

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This article describes the issues that are fixed in the Microsoft Lync 2010 Group Chat update package that is dated April, 2011.
This article describes the following items about the update:
  • The issues that the update fixes.
  • The prerequisites for installing the update.
  • Whether you must restart the computer after you install the update.
  • Whether the update is replaced by any other update.
  • Whether you must make any registry changes.
  • The files that the update contains.


Issues that this update fixes

This cumulative update fixes the following issues:
  • 2517729  ( ) Options in the "Show Columns" submenu is inconsistent between different sessions in a Lync Server 2010, Group Chat client
  • 2501082  ( ) The "Use friendly names in participant list and message area" command does not function correctly in a Lync 2010 Group Chat client
  • 2501034  ( ) The "Create a Chat Room" command is available for a regular user in the Lync 2010 Group Chat client


Update package information

The following file is available for download from the Microsoft Download Center:
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Download the MgcClient.msp package now. (
Release Date: April, 2011

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591  ( ) How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.


There are no prerequisites for installing this update.

Replacement information

This cumulative update replaces the released cumulative update that is described in KB article 2467776.

For more information, click the following article number to view the article in the Microsoft Knowledge Base:
2467765  ( ) Description of the update for Lync 2010 Group Chat Client: January 2011

Registry information

To use one of the updates in this package, you do not have to make any changes to the registry.

File information

This update may not contain all the files that you must have to fully update a product to the latest build. This update contains only the files that you must have to correct the issues that are listed in this article.

After the update is installed, the global version of this update has the file attributes, or a later version of the file attributes, that are listed in the following table:
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File nameFile versionFile sizeDateTimePlatform


For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684  ( ) Description of the standard terminology that is used to describe Microsoft software updates

  • Microsoft Lync 2010 Group Chat
kbqfe kbfix atdownload kbhotfixrollup kbsurveynew kbexpertiseinter KB2500446
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