Microsoft KB Archive/926676

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Article ID: 926676

Article Last Modified on 10/25/2007


  • Microsoft Exchange Server 2003 Service Pack 2, when used with:
    • Microsoft Exchange Server 2003 Enterprise Edition
    • Microsoft Exchange Server 2003 Standard Edition


The Microsoft Exchange Information Store service crashes every several minutes on a server that is running Microsoft Exchange Server 2003 Service Pack 2 (SP2). Additionally, the following events are logged in the Application event log:

Event Type: Error
Event Source: Service Control Manager
Event ID: 7031
The Microsoft Exchange Information Store service terminated unexpectedly. It has done this 5 time(s). The following corrective action will be taken in 0 milliseconds: Restart service.

Event Type : Error
Event Source : MSExchangeIS
Event ID : 9673
An exception with code 0xc00000fd was thrown in module C:\Program Files\Exchsrvr\bin\store.exe; some parameters and their values were <Exception address - xxxx>. A significant section of the call stack is in the data


This issue occurs if the following conditions are true:

  • Some unusual e-mail messages exist on the Exchange server.
  • The unusual messages are opened by Microsoft Office Outlook clients.


Hotfix information

A supported hotfix is now available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

Note If additional issues occur or any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. To create a separate service request, visit the following Microsoft Web site:


Exchange 2003 SP2 must be installed on the server before you apply this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

836993 How to obtain the latest service packs for Exchange Server 2003

Restart requirement

You do not have to restart the computer after you apply this hotfix. However, the following services are automatically stopped and then restarted when you apply this hotfix:

  • Microsoft Exchange Information Store service
  • Microsoft Search service
  • IIS Admin Service and all dependent services

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

File name File version File size Date Time
Exosal.dll 6.5.7652.5 70,144 06-Dec-2006 06:57
Mdbmsg.dll 6.5.7652.5 3,375,104 06-Dec-2006 06:12
Store.exe 6.5.7652.5 5,258,752 06-Dec-2006 07:00


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

Additional query words: 0xc00000fd

Keywords: kbbug kbfix kbqfe kbpubtypekc kbexchstore kbhotfixserver KB926676