Description of the cumulative update for Office Communications Server 2007 R2, Mediation Server: April 2010

This article describes the Office Communications Server 2007 R2, Mediation Server issues that are fixed in the Office Communications Server 2007 R2, Mediation Server update package that is dated April 2010.

• The issues that the update package fixes.
• The prerequisites for installing the update package.
• Whether you must restart the computer after you install the update package.
• Whether the update package is replaced by any other update package.
• Whether you must make any registry changes.
• The files that the update package contains.

Issues that this update package fixes

This cumulative update fixes the following issues:

• 981218

  (http://support.microsoft.com/kb/981218/ )

  A call is dropped when a media time-out occurs on the gateway side of the Office Communications Server 2007 R2, Mediation Server
• 981250

  (http://support.microsoft.com/kb/981250/ )

  The Office Communications Server 2007 R2, Mediation Server does not send a response to the PSTN gateway when the Mediation Server cannot contact the front-end server

This cumulative update also includes the following previously released updates:

• 972772

  (http://support.microsoft.com/kb/972772/ )

  Video is not displayed after you enable Quality of Service (QoS) at the pool level in Communications Server 2007 R2 and you enable QoS on a client computer
• 972770

  (http://support.microsoft.com/kb/972770/ )

  An update package enables Office Communications Server 2007 R2, Mediation Server to include a diversion header in the re-invite after the server processes a 302 redirection
• 968954

  (http://support.microsoft.com/kb/968954/ )

  Communications Server 2007 R2 front-end server does not recognize a 504 error message that is sent by Communications Server 2007 R2 Mediation Server after you install update 956829

Update package information

Download Center

The following file is available for download from the Microsoft Download Center:
Download the MediationServer.msp package now.

Release Date: April 2010

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.

By Contacting Microsoft Support

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problems that are described in this article. Apply this hotfix only to systems that are experiencing the problems described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To use a manual method to apply the Office Communications Server 2007 R2 April 10 cumulative updates, you must apply the correct prerequisites before you apply the cumulative update for a specific Office Communications Server 2007 R2 server component. The Office Communications Server 2007 R2 server component and the list of prerequisite updates that it requires before installation of its specific Office Communications Server 2007 R2 April 10 cumulative update are as follows.

Communications Server 2007 R2 – Mediation Server 

• 976657
  (http://support.microsoft.com/kb/976657 / )
  Description of the cumulative update for Office Communications Server 2007 R2, Unified Communications Managed API 2.0 Core Redist 64-bit: April 2010
• 977343
  (http://support.microsoft.com/kb/977343/ )
  Description of the cumulative update for Office Communications Server 2007 R2, Core Components: January 2010
  

Note If you use an automated update method, such as ServerUpdateInstaller.exe, you do not have to manually apply the updates as a prerequisite.

Restart requirement

You are prompted to restart the server at the end of the installation of the update.

Restart requirement

You do not have to restart the computer after you apply this update package.

Hotfix replacement information

This cumulative update replaces cumulative update 969835. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

Registry information

To use 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 cumulative update, install the OCS2007-KB977937-amd64-MediationServer.msp file on the following computers:

• Office Communications Server 2007 R2 – Mediation Server

Note When you apply this cumulative update on servers that run Windows 2008 and have the User Account Control (UAC) enabled, make sure that you start the installation of the cumulative update (.msp) by using the elevated Command Prompt. To do this, follow these steps:

1. Click Start, click All Programs, click Accessories, and then right-click Command Prompt.
2. Click Run as administrator. If you are prompted for an administrator password or for confirmation, type the password or provide confirmation.
3. Start the cumulative update (.msp).

Removal information

To remove this cumulative update, use the Add or Remove Programs item in Control Panel. You must restart the computer after you uninstall the cumulative update for Office Communications Server 2007 R2, Mediation Server.

Sometimes, when you try to uninstall the 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.

File information

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

After the update is installed, the global version of this 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: