Microsoft KB Archive/309685

= XCON: The Internet Mail Service Stops in ConnectToNextMXHost =

Article ID: 309685

Article Last Modified on 10/26/2006

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APPLIES TO


 * Microsoft Exchange Server 5.5 Standard Edition
 * Microsoft Exchange Server 5.5 Service Pack 1
 * Microsoft Exchange Server 5.5 Service Pack 2
 * Microsoft Exchange Server 5.5 Service Pack 3
 * Microsoft Exchange Server 5.5 Service Pack 4

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This article was previously published under Q309685





SYMPTOMS
When you attempt to use Domain Name System (DNS) to &quot;round robin&quot; 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:

285023 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 that is described in this article. Apply it only to computers that are experiencing this specific problem. This fix may receive additional testing. 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 hotfix.

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, visit the following Microsoft Web site:

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

NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The typical 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

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



STATUS
Microsoft has confirmed that this is a problem in Microsoft Exchange Server version 5.5.

Additional query words: IMC Internet Mail Connector

Keywords: kbhotfixserver kbqfe kbbug kbexchange550presp5fix kbfix kbqfe KB309685

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