Microsoft KB Archive/263051

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Chat Server May Cause an Access Violation With Chat Server Extension and MIC Chat Client

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Q263051

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The information in this article applies to:


 * Microsoft Exchange Server, versions 5.5 SP1, 5.5 SP2, 5.5 SP3
 * Microsoft Commercial Internet System versions 2.0, 2.5

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SYMPTOMS
After you implement chat-specific server extensions that cancel a chat server event, an Exchange Server 5.5 chat server may cause an access violation when Microsoft Comic Chat client 2.0 (or earlier) tries to join the preexisting channel that supports only the Microsoft Internet Chat (MIC) Protocol.

RESOLUTION
To resolve this problem, obtain the latest service pack for Exchange Server 5.5. For additional information, please see the following article in the Microsoft Knowledge Base:

"Q191014 XGEN: How to Obtain the latest Exchange Server 5.5 Service Pack"

STATUS
Microsoft has confirmed this to be a problem in the Microsoft products listed at the beginning of this article. This problem was first corrected in Exchange Server 5.5 Service Pack 4.

Additional query words:

Keywords : kbDSupport kbExchange550preSP4fix kbExchange550sp4Fix

Issue type : kbbug

Technology :