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Q145794: XADM: 1993 Private Extension Support on Per-Message Envelope

Article: Q145794
Product(s): Microsoft Exchange
Version(s): 4.0
Operating System(s): 
Keyword(s): kbusage
Last Modified: 14-MAR-1999

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The information in this article applies to:

- Microsoft Exchange Server, version 4.0 
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SYMPTOMS
========

When you send a message from a DEC All-in-One mail system to a Microsoft
Exchange Server with the X.400 Connector, the message may not get to the
intended Microsoft Exchange Recipient and the original sender may not receive a
Non-Delivery Report (NDR). No errors will be recorded in the Windows NT Event
Log.

However, messages sent from Microsoft Exchange to DEC All-In-One recipients flow
fine. Additionally, messages sent from Microsoft Exchange to DEC with a read
receipt requested will successfully return the read notification back to the
Microsoft Exchange sender.

MORE INFORMATION
================

The 1993 X.400 recommendation supports a per-message envelope Private Extension.
Digital Equipment's latest version of Mailbus400 MTA (v2.0) implements this
extension. Microsoft Exchange Server version 4.0 does not support per-message
envelope Private Extensions. Service Pack 2 (SP2) and Microsoft Exchange Server
version 4.0a add support for per-message envelope and report content Private
Extensions.

NOTE: Microsoft Exchange Server does not support per-recipient Private
Extensions.

STATUS
======

Microsoft has confirmed this to be a problem in Microsoft Exchange Server
version 4.0. This problem was corrected in Microsoft Exchange Server 4.0 U.S.
Service Pack 2. 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: dec digital mailbus xmr gateway x400

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Keywords          : kbusage 
Technology        : kbExchangeSearch kbExchange400 kbZNotKeyword2
Version           : 4.0

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