Microsoft KB Archive/904159

= Poor performance, connectivity issues, and increased memory use occurs in Exchange Server 2003 when certain types of IMAP4 search requests are received =

Article ID: 904159

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
When Microsoft Exchange Server 2003 receives Internet Message Access Protocol, Version 4rev1 (IMAP4) search requests, one or more of the following symptoms may occur:  Users experience poor performance when they are connected to Exchange Server 2003. Users cannot connect to Exchange Server 2003. The Information Store service (Store.exe) uses more memory than expected on the Exchange Server 2003 server. The Information Store service stops responding.  Events that are similar to the following event are logged on the system event log on the Exchange Server 2003 server:

Event ID: 9582

Event Type: Error

Event Source: MSExchangeIS

Event Category: Performance

Event ID: 9582

Description: The virtual memory necessary to run your Exchange server is fragmented in such a way that normal operation may begin to fail. It is highly recommended that you restart all Exchange services to correct this issue. 

Note The search requests that are discussed in this article are received from IMAP4 clients. IMAP4 clients include Microsoft Outlook and some mobile phones.



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
You must have Microsoft Exchange Server 2003 installed.

Restart requirement
The Microsoft Exchange Server Information Store service is stopped and then restarted when you install this hotfix

Hotfix replacement information
This hotfix does not replace any other software updates.

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 tool in Control Panel.   Date         Time   Version       Size       File name ---      06-Aug-2005  01:53  6.5.7233.41   3,270,144  Mdbmsg.dll 04-Jun-2005 01:56                    3,304  Redir.asp 06-Aug-2005 02:27  6.5.7233.41   5,177,344  Store.exe

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

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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: Database: ExchangeLagacy Bug number: 256778

Database: Content Maintenance Bug number: 41798

Keywords: kbqfe kbhotfixserver kbfix kbbug kbexchange2003presp2fix kbpubtypekc KB904159

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