XCON: MTA Stops, Generating Event IDs 2187, 9405, 9402, & 9996 (165522)

SUMMARY

In some high load situations, the Microsoft Exchange MTA stops and generates the following Event ID errors:

   Event ID: 2187
   An MTA database server error was encountered while attempting to unlock
   an object which is not locked. Called from XAPI. Procedure 253. Object
   at fault: 0100327C. [DB Server APPLICATION 39 73] (14)

   Event ID: 9405
   An unexpected error has occurred which may cause the MTA to terminate.
   Error: Exception c0000005 occurred at Address 2114cae.
   [BASE APPLICATION 38] (16)

   Event ID: 9402
   A MTA fatal error has occurred.  A operating system memory heap has
   been exhausted. [BASE INCOMING RPC 186] (16)

   Event ID: 9996
   The description for Event ID ( 9996 ) in Source ( MSExchangeMTA ) could
   not be found. It contains the following insertion string(s): ExitProcess
   called in file: N:\MTA\NTIL\CC\sbpiwter.c, line: 248.

STATUS

Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 4.0. This problem was corrected in the latest Microsoft Exchange 4.0 U.S. Service Pack. 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