Description of the update for Lync Server 2010, Web Components Server: December 2011

This article describes the update for Microsoft Lync Server 2010, Web Components Server that is dated December 2011.

Microsoft Download Center

The following file is available for download from the Microsoft Download Center:
Download the WebComponents.msp package now. (http://go.microsoft.com/fwlink/?LinkId=208564)
Release Date: December 2011

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base: Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Prerequisites

There are no prerequisites for installing this update.

Restart requirement

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

Replacement information

This update does not replace a previously released update.

Registry information

To apply one of the update packages in this package, you do not have to make any changes to the registry.

Update package installation information

To install this update package, install the WebComponents.msp package on computers in your network that are running the following platforms:

• Lync Server 2010 - Standard Edition
• Lync Server 2010 - Enterprise Edition - Front-end

Removal information

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

You may be prompted to restart after you uninstall the update for Lync Server 2010, Web Components Server.

Sometimes, when you try to uninstall the update package, 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 remove 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 introduced 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"> lines.
   
   After you remove 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. Delete the duplicate entries in the two sections that were mentioned earlier. 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 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.
4. Restart IIS.

File information

This update package may not contain all the files that you must have to fully update a product to the latest build. This update package contains only the files that you must have to resolve the issues that are described in this article.

The global version of this update package uses a Microsoft Windows Installer package to install the update package. The dates and the times for these files are listed in Coordinated Universal Time (UTC) in the following table. When you view the file information, the date is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:For more information about the latest updates for Lync Server 2010, click the following article number to view the article in the Microsoft Knowledge Base: