Article ID: 297041 - View products that this article applies to.
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The Microsoft Exchange Server Instant Messaging time-out period is 20 minutes. The client computer waits the predefined time of 20 minutes before the server checks the status of the client and marks the contact as unavailable. This article describes a new feature that allows you to change the timeout period.
For additional information about the latest service pack for Microsoft Exchange 2000 Server, click the article number below to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/301378/EN-US/ )XGEN: How to Obtain the Latest Exchange 2000 Server Service Pack
The new feature is included in the Instant Messaging update, Mmssetup.exe, which includes the updated files Msimmsgr.dll and Msimnetc.dll, build 6.0.4813.0. To use this feature, add the following key to the registry: