Microsoft KB Archive/193762

= XCON: Zero Byte Attachments Cause NDRs from Exchange 5.5 SP1 =

Article ID: 193762

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 5.5 Standard Edition
 * Microsoft Exchange Server 5.5 Service Pack 1

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This article was previously published under Q193762





SYMPTOMS
Using the following diagram to aid explanation:   MS Mail --> Exchange Server A <-> Exchange Server B                                    '88 X400 - NO D/REP When messages with zero byte files are sent from Microsoft Mail to Exchange Server B, Exchange Server B sends non-delivery reports on the messages.

Typical events seen in the event logs (generated by the message transfer agent or MTA) include:  Event: 210 Description: An internal MTA error occurred. Content conversion for message C=US;A= ;P=Microsoft;L=SERVERB-980805135302Z-7 failed. Conversion error: 4096, Object at fault: 0600002F, Original content type: 2A864886F7140501, New content type: 56010A01. PDU dump reference 1 [MTA DISP:FANOUT 13 112] (14)

Event: 290 Description: A non-delivery report (reason code unable-to-transfer and  diagnostic code content-syntax-error) is being generated for message C=US;A= ;P=Microsoft;L=SERVERB-980805135302Z-7. It was originally destined for DN:/o=MICROSOFT/ou=SHELLKEEP/cn=RECIPIENTS/cn=MSMailA§ (recipient number 1), and was to be redirected to  DN:/o=MICROSOFT/ou=SHELLKEEP/cn=RECIPIENTS/cn=MSMailA§C=US;A= ;P=Microsoft;O=ShellMSMI;S=Admin;G=MSMail;. [MTA DISP:RESULT 18 136] (12)



CAUSE
This problem is caused by a boundary condition bug in the MTA.



RESOLUTION
To resolve this problem, obtain the latest service pack for Exchange Server version 5.5. For more information, please see the following article in the Microsoft Knowledge Base:

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

The English version of this fix should have the following file attributes or later:

Component: Message Transfer Agent (MTA)

  File Name      Version -  Dbserver.sch   5.5.2391.0 Dcprods.cat   5.5.2391.0 Ems_rid.dll   5.5.2391.0 Emsmta.exe    5.5.2391.0 Info4log.cfg  5.5.2391.0 Infodlog.cfg  5.5.2391.0 Infollog.cfg  5.5.2391.0 Infotlog.cfg  5.5.2391.0 Mtacheck.exe  5.5.2391.0 Mtamsg.dll    5.5.2391.0 P2.xv2        5.5.2391.0 X400om.dll    5.5.2391.0 X400omv1.dll  5.5.2391.0



STATUS
Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 5.5 and 5.5 Service Pack 1. This problem was first corrected in Exchange Server 5.5 Service Pack 2.

Keywords: kbbug kbfix KB193762

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