The IMAP service crashes intermittently on Exchange 2007, and Event ID 5000 is logged

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Article ID: 954237 - View products that this article applies to.
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SYMPTOMS

On a Microsoft Exchange Server 2007 server, you may find that the IMAP service crashes intermittently. When this problem occurs, IMAP clients cannot access their mailboxes. Additionally, the following error message is logged in the event log:


Event Type: Error
Event Source: .NET Runtime 2.0 Error Reporting
Event Category: None
Event ID: 5000
Description: EventType clr20r3, P1 microsoft.exchange.imap4.exe, P2 8.1.278.2, P3 481f7feb, P4 microsoft.exchange.imap4, P5 8.0.0.0, P6 481f7feb, P7 a6, P8 17, P9 system.nullreferenceexception, P10 NIL.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

RESOLUTION

To resolve this problem, download Update Rollup 4 for Exchange 2007 Service Pack 1. For more information about Update Rollup 4 for Exchange Server 2007 Service Pack 1, see the following Exchange Help topic:
Description of Update Rollup 4 for Exchange Server 2007 Service Pack 1
For more information about how to install the latest Exchange service pack or update rollup, see the following Exchange Help topic:
How to Obtain the Latest Service Pack or Update Rollup for Exchange 2007

STATUS

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

Properties

Article ID: 954237 - Last Review: October 7, 2008 - Revision: 1.1
APPLIES TO
  • Microsoft Exchange Server 2007 Service Pack 1, when used with:
    • Microsoft Exchange Server 2007 Enterprise Edition
    • Microsoft Exchange Server 2007 Standard Edition
Keywords: 
kbhotfixrollup kbfix kbexpertiseadvanced kbqfe KB954237

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