Microsoft KB Archive/248732

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Article ID: 248732

Article Last Modified on 10/26/2006


  • Microsoft Exchange Server 5.5 Standard Edition
  • Microsoft Exchange Server 5.5 Service Pack 1
  • Microsoft Exchange Server 5.5 Service Pack 2
  • Microsoft Exchange Server 5.5 Service Pack 3

This article was previously published under Q248732


Although the EMSMTA process is still apparently running, no work is being done, and no events are logged. If you stop and restart the message transfer agent (MTA), you may receive the following error message:

Windows NT Error 1067


The MTA has received a message from a foreign MTA that contains a trace record with a zero-length Arrival Time attribute. Processing this illegally-formed attribute causes internal context information to be overwritten.


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


There is no workaround for this issue. If you create a new MTA database (MTAWIPE), it allows the MTA to start again, but the foreign MTA resends the offending message.


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


With the application of the hotfix, the MTA rejects the invalid message, logs an event, and sends a non-delivery report (NDR) back with a diagnostic of Invalid Argument.

Additional query words: hang

Keywords: kbbug kbexchange550presp4fix kbexchange550sp4fix kbfix kbqfe KB248732