Description of the update for Lync Server 2010, Web Conferencing Server: January 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:

http://support.microsoft.com/contactus/?ws=supportNote 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.

Prerequisites

There are no prerequisites for installing this update.

Restart requirement

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

Hotfix replacement information

This update does not replace a previously released update.

Registry information

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

Update package installation information

To install this update, install the 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

Removal information

To remove this 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 update. If this behavior occurs, insert the source CD or provide the path where the source files can be found.

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: