Microsoft KB Archive/168136

= XCON: X.400 Exchange Interoperability with Foreign Message Transfer Agent Causing Non-Delivery Report =

Article ID: 168136

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 4.0 Standard Edition

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This article was previously published under Q168136





SYMPTOMS
When sending messages using an X.400 Connector from a foreign message transfer agent (MTA) to an Exchange Server MTA with an ADMD= " " (Space), a non-delivery report (NDR) will be generated which refers to invalid parameters.



CAUSE
This problem occurs because of the way Exchange Server MTA handles numeric ADMD (Administrative management domain name).



MORE INFORMATION
Exchange Server supports this properly in all originator/recipient address fields but not in other parts of the envelope (for example, MTSID, Bilateral-Info, External, and Internal-Trace- Info).



WORKAROUND
To work around this issue, do not use a space or numeric name for the Exchange Server MTA when connecting with foreign MTAs.



STATUS
Microsoft has confirmed this to be a bug in Exchange Server 4.0.

This bug was corrected in Exchange Server 5.0.

Additional query words: Interop ISOCORE

Keywords: kbbug KB168136

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