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

ID: Q149387

The information in this article applies to:

Microsoft Exchange Server, versions 4.0, 5.0

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 : kbusage kbbug4.00 kbbug5.00 XFOR kbfix5.00.sp1
Version : winnt:4.0,5.0
Platform : winnt
Issue type : kbbug