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Q145986: XCON: Illegal Country Code in X400 Address Causes MTA to Hang

Article: Q145986
Product(s): Microsoft Exchange
Version(s): 4.0,5.0
Operating System(s): 
Keyword(s): kbusage
Last Modified: 20-FEB-2002

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The information in this article applies to:

- Microsoft Exchange Server, versions 4.0, 5.0 
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SYMPTOMS
========

The Microsoft Exchange message transfer agent (MTA) may stop responding after
logging content conversion error messages similar to the following:

  message NMI0210: X.400 Service Event, severity 14

  (MTA DISP:FANOUT(15) Proc 112) 05-14-97 08:21:37pm
  Content conversion failed
  Object at fault 06006364
  Conversion error 1029
  MTS Identifier C=US;A=ABC;P=ABCMAIL;L=ABC+A85E08EENDSCA.TEW.55
  Old content type 56010A00
  New content type 2A864886F7140501

  message NMI0062: X.400 Service Event, severity 12

  (MTA DISP:FANOUT(15) Proc 112) 05-14-97 08:21:37pm
  Delivery failure
  X.400 reason code unable-to-transfer
  X.400 diagnostic code content-type-not-supported
  Internal qualifier 0
  MTS Identifier C=US;A=ABC;P=ABCMAIL;L=ABC+A85E08EENDSCA.TEW.55

STATUS
======

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

Microsoft has confirmed this to be a problem in Microsoft Exchange Server version
5.0. This problem has been corrected in the latest U.S. Service Pack for
Microsoft Exchange Server version 5.0. 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

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

This problem occurs when the Exchange MTA receives a message from a foreign MTA
that has an illegally formed X400 address containing a country code with a
single character. All X400 country codes must be either two or three characters
long.

The MTA hangs when it attempts to perform content conversion on the message
containing the invalid address. The Microsoft Exchange version 4.0 SP1, SP2,
SP3, and SP4 MTA will not log content conversion failures to the BF0.LOG files
if APDU logging is enabled. However, the Microsoft Exchange version 5.0 MTA will
log content conversion errors to the BF0.LOG files if APDU logging has been
enabled. This functionality has also been added for all 4.0 MTAs starting with
build 996.18 which is a post SP4 build. This feature is extremely desirable
since it allows messages that fail content conversion to be logged to the APDU
logs in order to determine the cause of the failure. APDU logging is enabled by
setting APDU logging to maximum and X.400 Service logging to minimum.


Additional query words:

======================================================================
Keywords          : kbusage 
Technology        : kbExchangeSearch kbExchange500 kbExchange400 kbZNotKeyword2
Version           : :4.0,5.0
Issue type        : kbbug
Solution Type     : kbfix

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