This article was previously published under Q278234
This article has been archived. It is offered "as is" and will no longer be updated.
The Microsoft Exchange 2000 SMTP Event Sink does not support the "Require TLS encryption for clear text authentication" feature.
To resolve this problem, obtain the latest service pack for Microsoft Exchange 2000 Server. For additional information, click the following article number to view the article in theMicrosoft Knowledge Base:
301378 XGEN: How to Obtain the Latest Exchange 2000 Server Service Pack
The English version of this fix should have the following file attributes or later:
Microsoft has confirmed that this is a problem in Microsoft Exchange 2000 Server. This problem was first corrected in Microsoft Exchange 2000 Server Service Pack 1.