Microsoft KB Archive/177491

= XADM: Corrupted IPX Packets Cause Information Store to Stop =

Article ID: 177491

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 5.5 Standard Edition
 * Microsoft Exchange Server 5.0 Service Pack 1

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This article was previously published under Q177491





SYMPTOMS
A Microsoft Exchange Server version 5.0 information store may stop responding at random intervals with a Dr. Watson report similar to the following:

Application exception occurred:

App: Store.DBG (pid=240)

When: 1/1/1997 @ 12:00:00.000

Exception number: c0000005 (access violation)



CAUSE
The information store may have received a corrupted IPX packet from the network that caused the access violation.



STATUS
Microsoft has confirmed this to be a problem in Microsoft Exchange Server, version 5.0 Service Pack 1. 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



MORE INFORMATION
Windows NT does not support checksums for IPX packets, so rather than corrupt packets being dealt with at the network layer, this packet, with corrupt data, is being passed on to the information store. The information store cannot deal with this corruption and it stops.

Additional query words: 5.00 SP1 STORE access violation corrupt IPX

Keywords: kbhotfixserver kbqfe kbbug kbfix kbqfe KB177491

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