The EdgeTransport.exe process crashes occasionally after you install Update Rollup 2 for Exchange Server 2007 SP3


Symptoms


After you install Update Rollup 2 for Microsoft Exchange Server 2007 Service Pack 3 (SP3) on a computer, the EdgeTransport.exe process on the server crashes occasionally. Additionally, the following event is logged in the Application log:

Cause


This issue occurs because Exrpc32.dll does not verify a NULL buffer before it accesses the buffer when the message is delivered. Therefore, an access violation occurs in the EdgeTransport.exe process.

Resolution


To resolve this issue, install the following update rollup:
2602324 Description of Update Rollup 5 for Exchange Server 2007 Service Pack 3

Status


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.