Microsoft KB Archive/149387

= XFOR: MSMI Terminating with Memory Access Violation, Event ID 23 =

Article ID: 149387

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 4.0 Standard Edition
 * Microsoft Exchange Server 5.0 Standard Edition

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This article was previously published under Q149387



SYMPTOMS
The MS Mail Connector Interchange (MSMI) may terminate unexpectedly with the following events reported to the application log:

Event ID: 2380

Source: MSExchangeMSMI

Description:

A memory access violation has occurred that prevents further processing of a message. The access violation that occurred is an attempt to read from 0x480df78. Please refer to the immediately following event(s) logged by MS Mail Connector Interchange for more information on the message that could not be processed. (Exception address: 0x4496c2.)

NOTE: The exception addresses above are examples; they will not match exactly every time.



CAUSE
The MSMI is freeing a block of heap memory before the actual process is done with it. When the process tries to access this freed area of memory, an access violation occurs.



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

Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 5.0. This problem has been corrected in the latest U.S. Service Pack for Microsoft Exchange Server version 5.0. 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

Additional query words: heap corruption crash

Keywords: kbbug kbfix kbusage KB149387

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