XFOR: Chat Service Stops Unexpectedly or You Are Unable to Change Your Nickname

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This article was previously published under Q217378

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SYMPTOMS

If you connect to a chat server that is running the Microsoft Exchange or Microsoft Commercial Internet System (MCIS) Chat Service, you may experience either of the following symptoms:

If you repeatedly send the AUTH command to the server, the Chat Service may stop unexpectedly.
If you attempt to change your nickname, an error message indicating that you are attempting to change the nickname too frequently may be displayed.

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To resolve this problem, obtain the latest service pack for Exchange Server version 5.5. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

191014 (http://support.microsoft.com/kb/191014/EN-US/ ) XGEN: How to Obtain the latest Exchange Server 5.5 Service Pack

The English version of this fix should have the following file attributes or later:

Component: Chat Service

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File name	Version
Chatsvc.exe	5.5.2541.1

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STATUS

Microsoft has confirmed that this is a problem in the Chat Service that is included with the Microsoft products listed at the beginning of this article. This problem was first corrected in Exchange Server 5.5 Service Pack 3.

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