Microsoft KB Archive/271706

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XCON: Embedded MSP4 Message in a P772 Message Gets Downgraded to MSP3

Article ID: 271706

Article Last Modified on 10/26/2006


  • Microsoft Exchange Server 5.5 Standard Edition

This article was previously published under Q271706


When a P772 message that has an MSP4 type message embedded within it is sent over an X.400 connector, the embedded message gets downgraded to an MSP3 type message. If the same message is sent to user on the same server, this issue does not occur.


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

191014 XGEN: How to Obtain the latest Exchange Server 5.5 Service Pack


Microsoft has confirmed that this is a problem in Microsoft Exchange Server version 5.5. This problem was first corrected in Exchange Server 5.5 Service Pack 4.

Additional query words: MSP4 DMS MSP3 Embedded

Keywords: kbbug kbexchange550presp4fix kbexchange550sp4fix kbfix kbqfe KB271706