DOCUMENT:Q157058  06-APR-1999  [exchange]
TITLE   :XADM: MTA Restart Fails and Logs Error 2051
PRODUCT :Microsoft Exchange
PROD/VER:winnt:4.0
OPER/SYS:
KEYWORDS:kbusage

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The information in this article applies to:

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

After a failure and a subsequent failed restart attempt, the Microsoft Exchange
Server Message Transfer Agent (MTA) logs an event similar to the following:

   Event ID: 2051
   Source: MSExchangeMTA
   Description: A fatal internal MTA error occurred. Contact Microsoft Product
   Support Services. An illegal GET from element 3CB84D01 occurred at offset
   2073. [BASE DISP:FANOUT 14 8] (16)

CAUSE
=====

If a failure occurred during the processing of a message, upon restart, key
routing information for some addresses on the recipients list may not be
consistent, causing the fatal error described above.


STATUS
======

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

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Keywords          : kbusage 
Technology        : kbExchangeSearch kbExchange400 kbZNotKeyword2
Version           : winnt:4.0
Issue type        : kbbug
Solution Type     : kbfix

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