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 package.
You may have to restart the computer after you apply this update.
Hotfix replacement information
This update replaces the following previously released update:
2530592 Description of the cumulative update for Lync Server 2010, Web Conferencing Server: April 2011
To use one of the update packages in this package, you do not have to make any changes to the registry.
Update package installation information
To install this cumulative update, install the KB2757871-amd64-DataMCU.msp package on the computers that are running the following server roles:
Lync Server 2010 – Standard Edition Server
Lync Server 2010 – Enterprise Edition – Front-end
To remove this cumulative update, use the Add or Remove Programs feature in Control Panel.
Sometimes, you are prompted for the source CD when you try to uninstall the cumulative update. If this behavior occurs, insert the source CD or provide the path where the source files can be found.
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: