DOCUMENT:Q136807  13-FEB-2002  [exchange]
TITLE   :XADM: MTA Error: Too Many ECBs Processed In One Thread
PRODUCT :Microsoft Exchange
PROD/VER::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
========

If multiple Microsoft Exchange Internet Mail Connectors (IMCs) are configured in
an organization, the following error message may appear in the Windows NT
Application Event Log:

   MSExchangeMTA event id 248
   Too many ECBs processed in one thread.

In addition, mail may stop processing and may be returned in Non-Delivery
reports.

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:

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Keywords          : kbusage 
Technology        : kbExchangeSearch kbExchange400 kbZNotKeyword2
Version           : :4.0

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