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Q152914: XCON: MTA Terminates Unexpectedly with Event ID 2050

Article: Q152914
Product(s): Microsoft Exchange
Version(s): winnt:4.0
Operating System(s): 
Keyword(s): kbusage
Last Modified: 29-MAR-1999

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The information in this article applies to:

- Microsoft Exchange Server, version 4.0 Service Packs 1, 2 
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SYMPTOMS
========

Under certain circumstances The Microsoft Exchange Message Transfer Agent (MTA)
may terminate unexpectedly with the following error message:

  message NMI2050: Internal Processing Error, severity 16

  (BASE XFER-IN(21) Proc 9) 06-27-96 02:03:05pm
  Illegal put to element A48E6500 at offset 31081

CAUSE
=====

This problem occurs when the MTA has received a corrupted or incorrectly encoded
message from a remote MTA. For example, if the MTA receives a message, the
actual content length of which is "x," but the encoded content length was
"100x", the MTA will terminate unexpectedly with the Event ID 2050.

RESOLUTION
==========

In order to resolve the problem, the corrupted or incorrectly encoded message
must be removed from the remote MTA's queue, and the Exchange MTA must be
restarted.

STATUS
======

Microsoft has confirmed that this is a problem in Microsoft Exchange Server
version 4.0 Service Pack 1 (SP1) and Service Pack 2 (SP2).


Additional query words:

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Keywords          : kbusage 
Technology        : kbPTProdChange kbExchangeSearch kbZNotKeyword2
Version           : winnt:4.0

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