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Summary

This article describes the cumulative update for Microsoft Lync Server 2010, Unified Communications Managed API 3.0 Runtime that is dated February 2012. This update improves the reliability, stability, and performance of Lync Server 2010, Unified Communications Managed API 3.0 Runtime.

INTRODUCTION

This update improves the reliability, stability, and performance of Lync Server 2010, Unified Communications Managed API 3.0 Runtime. This update also fixes the issues that are previously listed in the following Microsoft Knowledge Base articles:

• 2500449Description of the cumulative update for Lync Server 2010, Unified Communications Managed API 3.0 Runtime: November 2011
• 2571505Description of the cumulative update for Lync Server 2010, Unified Communications Managed API 3.0 Runtime: July 2011
• 2500448Description of the cumulative update for Lync Server 2010, Unified Communications Managed API 3.0 Runtime: April 2011

Resolution

Microsoft Download Center

The following file is available for download from the Microsoft Download Center:
DownloadDownload the UcmaRuntime.msp package now.
Release Date: February 2012

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.

Prerequisites

There are no prerequisites for applying this update package.

Restart requirement

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

Update Replacement information

This update replaces the following update:

2500449 Description of the cumulative update for Lync Server 2010, Unified Communications Managed API 3.0 Runtime: November 2011

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

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 resolve 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:

File name

File version

File size

Date

Time

Platform

File_default.tmx

Not Applicable

1,298,104

02/18/12

19:38

Not Applicable

File_gac_collaboration.dll

4.0.7577.183

5,585,720

11/15/11

20:12

x86

File_gac_internal.media.dll

4.0.7577.190

7,576,896

02/18/12

20:21

x64

File_gac_sipeps.dll

4.0.7577.190

1,696,016

02/18/12

20:19

x64

File_ocstracer.exe

4.0.7577.172

655,104

10/06/11

9:42

x64

References

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 updatesFor more information about the latest updates for Lync Server 2010, click the following article number to view the article in the Microsoft Knowledge Base:

2493736 Updates for Lync Server 2010

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