April 2016 Cumulative Update 4.0.7577.728 for Lync Server 2010

Applies to: Lync Server 2010 Enterprise EditionLync Server 2010 Standard Edition

About Cumulative Update KB3148801

This cumulative update resolves a range of issues in Microsoft Lync Server 2010. The version number of this update is 4.0.7577.728.

Get Cumulative Update KB3148801 for Lync Server 2010

The following file is available for download from the Microsoft Download Center:
Download Download the server.msp package now.
Release Date: April 2016

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
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There are no prerequisites for installing this cumulative update.

Restart requirement

You do not have to restart the computer after you apply this cumulative update.

Update replacement information

This cumulative update replaces the February 2015 Cumulative Update 4.0.7577.710 for Lync Server 2010.

Registry information

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

Update package installation information

To apply this cumulative update, install the server.msp package on computers that are running the following server roles:
  • Lync Server 2010 - Standard Edition Server
  • Lync Server 2010 - Enterprise Edition - Front-end server
  • Lync Server 2010 - Enterprise Edition - stand-alone Audio Video Conferencing Server
Note After you install this cumulative update, clear the cache in Windows Internet Explorer before you try to join a meeting in Lync Server 2010. You cannot join a meeting if a JavaScript file is cached. To do this, follow these steps:
  1. In Internet Explorer, open Internet options.
  2. Click the General tab.
  3. In the Browsing history section, click Delete, and then click OK.

Removal information

To remove this cumulative update, use the Add or Remove Programs item in Control Panel.

Sometimes, when you try to remove this cumulative update, you are prompted for the source CD. If this behavior occurs, insert the source CD, or provide the path to the location of the source files.


Learn about the standard terminology that Microsoft software updates use.

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