You may experience issues when you have many public stores on many Exchange Server 2003 servers in a large mail organization

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Article ID: 922894 - View products that this article applies to.
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SYMPTOMS

You use a Microsoft Office Outlook client to log on to Microsoft Exchange Server 2003. When you have many public stores on many Exchange Server 2003 servers in a large mail organization, you may experience the following issues:
  • During peak logon times, you may experience slow performance. Finally, some Outlook remote procedure call (RPC) requests are rejected.
  • The value of the RPC Requests counter in the MSExchangeIS object in the Performance console reaches the highest values. This condition lasts about five minutes. After that time, the values of the RPC Requests counter return to ordinary values.
  • If you check the CPU usage in Windows Task Manager, you find that the Store.exe process uses many CPU resources.

CAUSE

These issues occur when you configure the Outlook client to read the setting of the Outlook 10 Security Settings system folder. The Outlook client sends an RPC request to the Store.exe process. The Store.exe process enumerates all Public Stores replicas in the mail organization. Based on the number of replicas, this enumeration takes a long time. When this issue occurs, the RPC request is discarded completely.

RESOLUTION

Hotfix information

A supported hotfix is 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 software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if 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. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

Because of file dependencies, this hotfix requires Exchange Server 2003 Service Pack 2 to be installed on the server.

For more information about how to obtain Exchange Server 2003 Service Pack 2, 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.

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.
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File nameFile versionFile sizeDateTimePlatform
Exosal.dll6.5.7652.770,14412-Dec-200622:15x86
Mdbmsg.dll6.5.7652.73,375,10412-Dec-200621:30x86
Store.exe6.5.7652.75,258,24012-Dec-200622:18x86

STATUS

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

Properties

Article ID: 922894 - Last Review: October 25, 2007 - Revision: 3.3
APPLIES TO
  • Microsoft Exchange Server 2003 Enterprise Edition
  • Microsoft Exchange Server 2003 Standard Edition
Keywords: 
kbautohotfix kbfix kbexchstore kbexpertiseinter kbhotfixserver kbqfe KB922894

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