Microsoft KB Archive/185025

= XFOR: Dr. Watson on Startup Due to Excess DNS Search Entries =

Article ID: 185025

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 5.0 Standard Edition
 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q185025





SYMPTOMS
Upon startup of Exchange, the Internet Mail Service crashes with a Dr. Watson log error message:

  Application exception occurred: App: MSEXCIMC.dbg (pid=167) When: 4/24/1998 @ 13:28:38.298 Exception number: c0000005 (access violation)



CAUSE
This is caused by the introduction through RegEdit, or other third-party utility, of additional Domain Name Service (DNS) entries into the TCP/IP configuration under DNS Suffix Search Order. There is a limit of six (6) entries supported under Windows NT 4.0.

The Internet Mail Service attempts to parse these entries, and when attempting to store the length of the seventh entry, triggers an access violation.



WORKAROUND
To work around this problem, do not exceed the supported number of entries.



STATUS
Microsoft has confirmed this to be a problem in Microsoft Exchange Server versions 5.0 and 5.5.

Keywords: kbprb KB185025

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