Description of the Communications Server 2007 update package for the Unified Communications Managed API v1.0 Redistribution: August 2008

List of issues fixed

This update fixes the following issues:

• 954594  (http://support.microsoft.com/kb/954594/ ) You cannot use the 2007 release of Communicator Web Access to start IM conversations with other users
• 954596  (http://support.microsoft.com/kb/954596/ ) The memory usage of the computer that is running Microsoft Office Communications Server 2007 increases to a very large amount when many users use Communicator Web Access (2007 release)

Update package information

To obtain this update, visit the following Microsoft Web site: The update appears in the optional software updates section under Microsoft Office Communications Server 2007.

If you are an administrator, you may want to download this update and then distribute it to the clients. To download the update to a folder of your choice, visit the following Microsoft Web site: When you search for Communications Server 2007, all the updates that are available for Communications Server 2007 are shown.

Update package installation information

To install this update package, install the OCS2007-KB953659-x86-UCMA.msp package on the Microsoft Office Communicator Web Access server.

Prerequisites

There are no prerequisites for installing this update package.

Restart information

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

Update replacement information

This update package replaces the following update package:

Registry information

To use one of the updates in this package, you do not have to make any changes to the registry.

Removal information

To remove this update, use Add or Remove Programs in Control Panel. In certain scenarios, you may be prompted for the source CD when you try to uninstall the update package. If you are prompted, insert the source CD. Or, provide the path of the source files.

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: 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.

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base: