XFOR: Internet Mail Service Unexpectedly Ends with a Dr. Watson Error (194896)



The information in this article applies to:

  • Microsoft Exchange Server 5.0

This article was previously published under Q194896

SYMPTOMS

The Microsoft Exchange Server 5.0 Internet Mail Service may end unexpectedly with a Dr. Watson error. With the proper Windows NT and Exchange Server symbols installed, you should see a debug call stack like the following:
   027aeb78  004497c9  MSEXCIMC!CAdrList::hrSetProp+0xb8
   027af540  0043d58c  MSEXCIMC!HrCreateMapiNDR+0x769
   027afe14  0040c7bc  MSEXCIMC!HrSendMessageIn+0xdac
   027aff70  0040cb7c  MSEXCIMC!ProcessInboundItem+0xec
   027aff84  0040c029  MSEXCIMC!ProcessInbound+0x3c
   77f1cc7b  408b0000  MSEXCIMC!InboundWorkerThread+0x59
				

CAUSE

The Internet Mail Service overruns an array boundary when it is adding properties to a non-delivery report (NDR) message.

RESOLUTION

A supported fix that corrects this problem is now available from Microsoft, but has not been fully regression-tested and should be applied only to systems experiencing this specific problem. If you are not severely affected by this specific problem, Microsoft recommends that you wait for the next Microsoft Exchange Server version 5.0 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 on support costs, please go to the following address on the World Wide Web: The English version of this fix should have the following file attributes or later:

Component: Internet Mail Connector

   File Name      Version
   --------------------------
   Imcmsg.dll     5.0.1461.69
   Msexcimc.exe   5.0.1461.69
				

STATUS

Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 5.0.

Modification Type:MinorLast Reviewed:4/28/2005
Keywords:kbbug kbfix kbQFE KB194896