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XCON: MTA Stops Unexpectedly When Message Volume Is Very High

The information in this article applies to:

Microsoft Exchange Server, version 5.5

SYMPTOMS

When message volume is extremely high on a DEC Alpha computer, the message transfer agent (MTA) may stop unexpectedly and an event similar to the following may appear in the event log:

   Source: MSExchangeMTA
   Event: 9405
   Type: Error
   Category: Field Engineering
   Description: An unexpected error has occurred which may cause the MTA
   to terminate. Error: Access violation (0xc0000005) at Address 0x4aff38
   reading from 0x0. [BASE XFER-IN 16] (16)

CAUSE

This problem can occur when a Microsoft Exchange function fails. Some Microsoft Exchange functions are known to fail under stressful conditions on DEC Alpha computers.

STATUS

Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 5.5. This problem has been corrected in the latest U.S. Service Pack for Microsoft Exchange Server version 5.5. 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

Keywords          : kbusage XCON kbbug5.50 
Version           : WINDOWS:5.5
Platform          : WINDOWS 
Issue type        : kbbug