Microsoft KB Archive/157420

= XFOR: Embedded Messages not Handled by MS Mail Connector =

Article ID: 157420

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 4.0 Standard Edition
 * Microsoft Exchange Server 5.0 Standard Edition
 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q157420



SYMPTOMS
If a message that has an embedded MAPI attachment is forwarded or sent directly to a Microsoft Mail recipient by means of the Microsoft Mail Connector, the attachment will not be visible to the MS Mail user. The user may see text that resembles the following:

MAPI 1.0 embedded message : 4663 In winmail.dat

or possibly just the :



or





RESOLUTION
It is possible to convert the embedded message to text format so it will be visible by a Microsoft Mail client. Note that this will not occur with any Microsoft Exchange client accessing an Microsoft Mail postoffice, and the following registry value will not be required.

WARNING: Using Registry Editor incorrectly can cause serious problems that may require you to reinstall Windows 95. Microsoft cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.  On the Microsoft Exchange Server, start Regedt32.exe.  Under the HKEY_LOCAL_MACHINE subtree, go to the following subkey:

     \System\CurrentControlSet\Services\MSExchangeMSMI\Parameters  On the Edit menu, click Add Value.  As the Value Name, type:

     Non-MAPI Embedded Messages </li> Select REG_DWORD as the Data Type.</li> Click OK.</li> Type 1 (the numeral one) in the Data field, and make sure you click Hex in the Radix field.</li> Click OK.</li> Stop and restart the Microsoft Mail Connector Interchange service.</li></ol>

This registry modification will allow MAPI embedded messages to be transmitted to the Microsoft Mail system in text format.

Additional query words: PMDF attach attachments disappear forward missing SFS

Keywords: kbprb kbusage KB157420

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