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Q265403: XFOR: Outbound X.400 Message Created by CDO May Result in NDR

Article: Q265403
Product(s): Microsoft Exchange
Version(s): 5.5
Operating System(s): 
Keyword(s): exc55 kbExchange550sp4Fix
Last Modified: 08-MAY-2002

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The information in this article applies to:

- Microsoft Exchange Server, version 5.5 
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SYMPTOMS
========

A message created by Collaboration Data Objects (CDO) with an attachment but no
body, may be rejected as undeliverable by a foreign X.400 system. If a similar
message is created by using Microsoft Outlook 2000, it is successfully accepted
by the foreign system.

CAUSE
=====

When you use CDO to create a message that contains an attachment, but no body,
the PR_BODY field appears to be null. When this is converted to X.400 format, a
P2_IA5Text body part is created with a hexadecimal value of 16 00. The "00" may
cause the receiving foreign X.400 system to assume that the message is
malformed, and reject it.

RESOLUTION
==========

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

  Q191014 How to Obtain the Latest Exchange Server 5.5 Service Pack




STATUS
======

Microsoft has confirmed this to be a problem in Exchange Server 5.5. This
problem was first corrected in Exchange Server 5.5 Service Pack 4.

Additional query words:

======================================================================
Keywords          : exc55 kbExchange550sp4Fix 
Technology        : kbExchangeSearch kbExchange550 kbZNotKeyword2
Version           : :5.5
Issue type        : kbbug
Solution Type     : kbfix

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