The /silentmode /forcerebootswitch applies all applicable updates in the background, and then automatically restarts the server at the end of the installation process if this is necessary.
The /extractall switch extracts the updates from the installer and saves the updates in a subfolder that is named "Extracted" in the folder in which you ran the command.
After you run the Cumulative Server Update Installer, you must update all the applicable back-end servers. For more information about how to do this, click the following article number to view the article in the Microsoft Knowledge Base:
Note After you install this update by using Microsoft Update, you must update the databases on the back-end servers. For more information about how to do this, click the following article number to view the article in the Microsoft Knowledge Base:
There are no prerequisites for installing this cumulative update.
To use one of the cumulative updates in this package, you do not have to make any changes to the registry.
You may have to restart the computer after you apply this cumulative update.
Update package installation information
To install this cumulative update, install the DataMcu.msp package on the computers that are running the following servers:
Lync Server 2013 – Standard Edition Server
Lync Server 2013 – Enterprise Edition - Front End Server and Back End Server
To remove this cumulative update, use the Add or Remove Programs feature in Control Panel.
Insert the source CD or provide the path where the source files can be found if you are prompted to do so.
This cumulative update may not contain all the files that you must have to fully update a product to the latest build. This cumulative update contains only the files that you must have to correct the issues that are listed in this article.
After the cumulative update is installed, the global version of this cumulative update has the file attributes, or a later version of the file attributes, that are listed in the following table:
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
For more information about the latest updates for Lync Server 2013, click the following article number to view the article in the Microsoft Knowledge Base: