Description of the cumulative update 5.0.8308.291 for Lync Server 2013, Web Components: February 2013

Microsoft Download Center

To install the cumulative update for Lync Server 2013, 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 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 package installation information

To install this update package, install the WebComponents.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
• Lync Server 2013 – Director Server

Removal information

To remove this update package, use the Add or Remove Programs item in Control Panel.

Sometimes, when you try to uninstall this cumulative update, you are prompted for the source CD. If this behavior occurs, insert the source CD, or provide the path where the source files can be found.

After you uninstall this update package, Internet Information Services (IIS) may stop running. This issue occurs because the ApplicationHost.config file is changed when you uninstall this update package.

Note The ApplicationHost.config file is located in the following directory:The following changes are applied to the ApplicationHost.config file:

1. Duplicate entries are created in the sections after the <location path="Lync Server Internal Web Site" overrideMode="Allow"> and <location path="Lync Server External Web Site" overrideMode="Allow"> tags.
   
   After you uninstall this update package, the two sections resemble the following: <location path="Lync Server Internal Web Site" overrideMode="Allow">
   <system.webServer>
   <security>
   <authentication>
   <windowsAuthentication/>
   <windowsAuthentication/>
   </authentication>
   <authentication/>
   </security>
   <security/>
   </system.webServer>
   <system.webServer/>
   </location>
   <location path="Lync Server External Web Site" overrideMode="Allow">
   <system.webServer>
   <security>
   <authentication>
   <windowsAuthentication/>
   <windowsAuthentication/>
   </authentication>
   <authentication/>
   </security>
   <security/>
   </system.webServer>
   <system.webServer/>
   </location>
2. The following two entries are created before the </configuration> tag at the end of the file:
   • <location path="Lync Server Internal Web Site" overrideMode="Allow"/>
   • <location path="Lync Server External Web Site" overrideMode="Allow"/>

To resolve this issue, follow these steps:

1. Remove the duplicate entries in the two sections after the <location path="Lync Server Internal Web Site" overrideMode="Allow"> and <location path="Lync Server External Web Site" overrideMode="Allow"> tags. After you do this, the two sections resemble the following: <location path="Lync Server Internal Web Site" overrideMode="Allow">
   <system.webServer>
   <security>
   <authentication>
   <windowsAuthentication/>
   </authentication>
   </security>
   </system.webServer>
   </location>
   <location path="Lync Server External Web Site" overrideMode="Allow">
   <system.webServer>
   <security>
   <authentication>
   <windowsAuthentication/>
   </authentication>
   </security>
   </system.webServer>
   </location>
2. Delete the following two entries at the end of the ApplicationHost.config file:
   • <location path="Lync Server Internal Web Site" overrideMode="Allow"/>
   • <location path="Lync Server External Web Site" overrideMode="Allow"/>
3. Save the ApplicationHost.config file, and then restart IIS.