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Article ID: 2772400 - Last Review: November 6, 2012 - Revision: 1.0

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This update improves the reliability, stability, and performance of Lync Server 2010.


This article describes the update for Microsoft Lync Server 2010, Unified Communications Managed API 3.0 Runtime that is dated November 2012.


Hotfix information

A supported hotfix is now available from Microsoft. However, it is intended to correct only the problem that is described in this article. Apply it only to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next update that contains this hotfix.

To resolve this problem immediately, 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.


There are no prerequisites for installing this update.

Restart requirement

You may have to restart the computer after you apply this update.

Update Replacement information

This update does not replace a previously released update.

Registry information

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

File information

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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
File_default.tmxNot Applicable1,347,51810/23/1220:29Not Applicable
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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

Applies to
  • Microsoft Unified Communications Managed API v3.0 Core Runtime
kbqfe kbhotfixserver kbhotfixrollup kbsurveynew kbexpertiseinter kbfix KB2772400
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