Microsoft KB Archive/162841

= XFOR: MSMI NDRs Dir-Sync Messages Under Certain Circumstances =

Article ID: 162841

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 4.0 Service Pack 3
 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q162841



SYMPTOMS
When an MS Mail postoffice is configured to participate in directory synchronization (dir-sync) with a Microsoft Exchange Server, dir-sync traffic from the MS Mail postoffice may generate a Non Delivery Report by the MS Mail Connector Interchange service (MSMI), and never reach the Microsoft Exchange Server Directory Synchronization service (DXA).



MORE INFORMATION
If the postoffice name of the MS Mail postoffice is similar to that of the Microsoft Exchange Server connector postoffice, the dir-sync messages will generate a Non Delivery Report, and the following warning will be logged in the Windows NT event log. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 31/12/96 19:56:34 MSExchangeMSMI Warning NDR   2117  N/A EXGAU30003 Non delivery report generated.

From: ANZAUDCU/MEL227TRK0/$SYSTEM Subject: SrvTx R=3 S=87298 (was 0), I=2 15603 sen

[004] Message circular route detected. Message followed the following route: ANZAUDCU /MEL227TRK ANZAUDCU /MEL227TRK K        /

Attempted to send to the following addresses: ANZAUDCU/MEL227TRK/SYSTEM1 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> In this example, the Microsoft Exchange Server connector postoffice name is MEL227TRK, and the MS Mail postoffice name is MEL227TRK0.



STATUS
Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 4.0. This problem was corrected in the latest Microsoft Exchange 4.0 U.S. Service Pack. 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

Additional query words: ndr dirsync msmi

Keywords: kbbug kbfix kbusage KB162841

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