Description of the cumulative update for Office Communications Server 2007 R2, Unified Communications Managed API 2.0 Core Redist 64-bit: April 2010

Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:

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By contacting 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:

http://support.microsoft.com/contactus/?ws=support 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

There are no prerequisites for installing this update package.

Restart requirement

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

Hotfix replacement information

This cumulative update replaces cumulative update 977351.

• 977351 Description of the cumulative update package for Office Communications Server 2007 R2, Unified Communications Managed API 2.0 Core Redist 64-bit: January 2010
   

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-KB976657-amd64-UcmaRedist.msp package on computers that have the following installed:

• Office Communications Server 2007 R2– Standard Edition Server

• Office Communications Server 2007 R2– Enterprise Edition Consolidated

• Office Communications Server 2007 R2 – Enterprise Edition Distributed – Front End

• Office Communications Server 2007 R2 – Enterprise Edition Distributed – Web Conferencing MCU

• Office Communications Server 2007 R2 – Enterprise Edition Distributed – Audio Video Conferencing MCU

• Office Communications Server – Enterprise Edition Distributed – Application Sharing MCU

• Office Communications Server – Enterprise Edition Distributed – Web Components Server

• Office Communications Server 2007 R2 – Edge Server

• Office Communications Server 2007 R2 – Mediation Server

• Office Communications Server – Communicator Web Access

Note When you apply this cumulative update on servers that are running Windows Server 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. At the command prompt, start the cumulative update (.msp).

Removal information

To remove this cumulative update, use the Add or Remove Programs feature 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.

File information

This update may not contain all the files that you must have to fully update a product to the latest build. This update 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: