Microsoft KB Archive/920760

= The Store.exe process may use 100 percent of the CPU resources when an Exchange Server 2003 user tries to obtain free/busy data from a calendar from another messaging system =

Article ID: 920760

Article Last Modified on 10/25/2007

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APPLIES TO


 * Microsoft Exchange Server 2003 Standard Edition
 * Microsoft Exchange Server 2003 Enterprise Edition

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SYMPTOMS
On a computer that is running Microsoft Exchange Server 2003, the Microsoft Exchange Information Store service (Store.exe) may use 100 percent of the CPU resources.

You experience this problem if the following conditions are true:
 * A connector to a messaging system other than Exchange is configured in Exchange Server 2003.
 * A user tries to obtain free/busy data from a calendar from the other messaging system.



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:

http://go.microsoft.com/?linkid=6294451

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:

http://support.microsoft.com/contactus/?ws=support

Prerequisites
Because of file dependencies, you must have Exchange Server 2003 installed to apply this hotfix.

Restart requirement
You do not have to restart the computer after you apply this hotfix. However, all the following services together with their dependent services are automatically stopped and then restarted when you apply this hotfix:
 * The Microsoft Exchange Information Store service
 * The IIS Admin service
 * The Microsoft Search service

Hotfix replacement information
This hotfix does not replace any other hotfixes.

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.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



MORE INFORMATION
For more information, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

For more information, click the following article number to view the article in the Microsoft Knowledge Base:

817903 New naming schema for Exchange Server software update packages

Additional query words: XADM F/B

Keywords: kbhotfixserver kbqfe kbfix kbbug kbpubtypekc KB920760

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