Description of the cumulative update 5.0.8308.291 for Lync Server 2013, Unified Communications Managed API 4.0 Runtime: February 2013

Microsoft Download Center

To install the cumulative update for Lync Server 2013, Unified Communications Managed API 4.0 Runtime, use one of the following methods.

Method 1 Cumulative Server Update Installer

The Cumulative Server Update Installer applies all updates for the appropriate server role in one operation. To use the Cumulative Server Update Installer, follow these steps.

Note If User Account Control (UAC) is turned on, you must start the Cumulative Server Update Installer by using elevated permissions to make sure that all updates are installed correctly.

1. Download the Cumulative Server Update Installer. To do this, go to the following Microsoft Download Center website:
   Download the update package now.
2. Run Cumulative Server Update Installer by using the UI or by using a command line.
   
   Note The UI provides a clear indication of which updates are installed when you click Install Updates.
   
   To run the Installer, run the following command, together with the appropriate switches for your situation:
   
   
   LyncServerUpdateInstaller.exe [/silentmode [/forcereboot]] | [/extractall]
   Notes
   • 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 Lync 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:

2809243 Updates for Lync Server 2013

Method 2 Microsoft Update

The update is also available from the Microsoft Update website.

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:

2809243 Updates for Lync Server 2013

Prerequisites

There are no prerequisites for installing this cumulative update.

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 UcmaRuntime.msp package on computers that are running following server roles:

• Lync Server 2013 – Standard Edition Server
• Lync Server 2013 – Enterprise Edition Front End Server
• Lync Server 2013 – Edge Server
• Lync Server 2013 – Standalone Mediation Server
• Lync Server 2013 – Director Server
• Lync Server 2013 – Persistent Chat Server

Restart requirement

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