Microsoft KB Archive/186930

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XFOR: Cannot Log On After Upgrading to Microsoft Chat 2.1

Article ID: 186930

Article Last Modified on 10/28/2006



APPLIES TO

  • Microsoft Exchange Server 5.5 Standard Edition



This article was previously published under Q186930


SYMPTOMS

After you upgrade to Microsoft Chat 2.1, you may be unable to log on to a server that is running the Microsoft Exchange Chat Service version 5.5. You may receive a message indicating that your logon information is incorrect, even though you were able to log on successfully before upgrading to Microsoft Chat 2.1.

CAUSE

This problem occurs when your logon information is encrypted incorrectly during authentication. When this occurs, the Exchange Chat Service is unable to authenticate your logon information, even though the information is correct.

STATUS

Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 5.5. This problem has been corrected in the latest U.S. service pack for Microsoft Exchange Server version 5.5. For information on obtaining the service pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K


Keywords: kbhotfixserver kbqfe kbbug kbfix kbqfe KB186930