Description of the cumulative update 5.0.8308.420 for Lync Server 2013, Conferencing Server: July 2013

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:
   
   LyncServerUpdateInstaller.exe Notes The following text describes parameters that you can use together with the LyncServerUpdateInstaller.exe command:

   • The /silentmode switch applies all applicable updates in the background.

   • 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.

Restart requirement

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

Update replacement information

This cumulative update replaces the following cumulative update:

2781551 Description of the cumulative update 5.0.8308.291 for Lync Server 2013, Conferencing Server: February 2013

Update package installation information

To apply this cumulative update, install the OcsMcu.msp package on computers that are running one of the following server roles:

• Lync Server 2013 - Standard Edition Server

• Lync Server 2013 - Enterprise Edition - Front End Server

Removal information

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

Note After you uninstall this cumulative update, the following services may be disabled:

• The Lync Server Application Sharing service

• The Lync Server Audio/Video Conferencing service

To resolve this issue, follow these steps for both services:

1. Click Start, click Run, type Services.msc, and then press ENTER.

2. Double-click the name of the service that you want to change.

3. In the Startup type box, select Automatic, and then click Apply.

4. Click Start, and then click OK.

When you try to uninstall the cumulative update, you may be prompted for the source CD. If you are prompted for the source CD, insert it. Or, provide the path where the source files can be found.