DOCUMENT:Q309685  08-MAY-2002  [exchange]
TITLE   :XCON: The Internet Mail Service Stops in ConnectToNextMXHost
PRODUCT :Microsoft Exchange
PROD/VER::5.5,5.5 SP1,5.5 SP2,5.5 SP3,5.5 SP4
OPER/SYS:
KEYWORDS:kbExchange550preSP5fix

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The information in this article applies to:

 - Microsoft Exchange Server, versions 5.5, 5.5 SP1, 5.5 SP2, 5.5 SP3, 5.5 SP4 
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SYMPTOMS
========

When you attempt to use Domain Name System (DNS) to "round robin" Internet mail
through the Internet Mail Service, an access violation may occur. For a
description of this method of using DNS to round robin Internet mail through the
Internet Mail Service, click the article number below to view the article in the
Microsoft Knowledge Base:

   Q285023 XCON: Internet Mail Service Does Not Follow Time to Live for DNS

If Dr. Watson is active as the default debugger, a Dr. Watson log and a User.dmp
file (if Dr. Watson is configured to create a User.dmp file) may be generated.
The call stack is similar to the following call stack:

   

   FramePtr ReturnAd Param#1  Param#2  Param#3  Param#4  Function Name
   035DFD94 0041B2F7 00600000 00000000 0041B3A0 00000000 MSEXCIMC!CDeliveryBatch::ConnectToNextMXHost [omap]  (FPO: [EBP 0x00000005] [0,64,4])
   035DFE40 00404C89 00000004 00000001 006A7D10 00000000 MSEXCIMC!CDeliveryBatch::ConnectCompleted [omap]  (FPO: [EBP 0x00000000] [1,36,3])
   035DFE78 77F8383F 00000006 00000000 00605EE8 780010ED MSEXCIMC!CAsyncIO::IoCompleted [omap] 
   035DFEB8 77F81F80 004048A9 00693744 00000001 00693700 ntdll!RtlDeleteCriticalSection 
   77FB9045 565308EC 8BFC5557 458B0C5D 0440F708 00000006 ntdll!RtlConsoleMultiByteToUnicodeN 

RESOLUTION
==========

A supported fix is now available from Microsoft, but it is only intended to
correct the problem described in this article and should be applied only to
systems experiencing this specific problem. This fix may receive additional
testing at a later time, to further ensure product quality. Therefore, if you
are not severely affected by this problem, Microsoft recommends that you wait
for the next Microsoft Exchange Server 5.5 service pack that contains this fix.

To resolve this problem immediately, contact Microsoft Product Support Services
to obtain the fix. For a complete list of Microsoft Product Support Services
phone numbers and information about support costs, please go to the following
address on the World Wide Web:

   http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS

NOTE: In special cases, charges that are normally incurred for support calls may
be canceled, if a Microsoft Support Professional determines that a specific
update will resolve your problem. Normal support costs will apply to additional
support questions and issues that do not qualify for the specific update in
question.

The English version of this fix should have the following file attributes or
later:

Component: Internet Mail Service

+----------------------------+
| File name    | Version     | 
+----------------------------+
| Msexcimc.exe | 5.5.2655.51 | 
+----------------------------+
| Imcmsg.dll   | 5.5.2655.51 | 
+----------------------------+

NOTE: Because of file dependencies, this fix requires Microsoft Exchange Server
version 5.5 Service Pack 4.



STATUS
======

Microsoft has confirmed this to be a problem in Microsoft Exchange Server
version 5.5.

Additional query words: IMC Internet Mail Connector

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Keywords          : kbExchange550preSP5fix 
Technology        : kbExchangeSearch kbExchange550 kbZNotKeyword2 kbExchange550SP1 kbExchange550SP2 kbExchange550SP3 kbExchange550SP4
Version           : :5.5,5.5 SP1,5.5 SP2,5.5 SP3,5.5 SP4
Issue type        : kbbug
Solution Type     : kbfix

=============================================================================

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