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When the front-end server is under a heavy load, the POP3 service or the IMAP4 service stops responding in Exchange 2000 or in Exchange 2003


View products that this article applies to.

Symptoms

You are using a configuration that has a front-end server and a back-end server. When the front-end server is under a heavy load, the POP3 virtual server or the IMAP4 virtual server encounters a deadlock in the front-end server. Then, the POP3 service or the IMAP4 service stops responding.

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Resolution

Exchange Server 2003

Service pack information

To resolve this problem, obtain the latest service pack for Microsoft Exchange Server 2003. 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

Exchange 2000 Server

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.

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, submit a request to 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: 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.

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
   --------------------------------------------------------------
   27-Dec-2004  06:41  6.0.6617.34        32,768  Iisif.dll        
   27-Dec-2004  06:42  6.0.6617.34       131,072  Imap4fe.dll      
   26-Dec-2004  14:42  6.0.6617.34       126,976  Imap4svc.dll     
   27-Dec-2004  06:42  6.0.6617.34        24,576  Pop3fe.dll       
   27-Dec-2004  06:42  6.0.6617.34        73,728  Pop3svc.dll      
				
Note Because of file dependencies, this software update requires Microsoft Exchange 2000 Server Service Pack 3 (SP3).

For more information, click the following article number to view the article in the Microsoft Knowledge Base:
301378 How to obtain the latest Exchange 2000 Server service pack

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
This problem was first corrected in Microsoft Exchange Server 2003 Service Pack 2.

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Keywords: KB873438, kbbug, kbexchange2000presp4fix, kbfix, kbexchpopimapnntp, kbhotfixserver, kbqfe, kbautohotfix, kbarchive, kbnosurvey

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Article Info
Article ID : 873438
Revision : 5
Created on : 1/15/2015
Published on : 1/15/2015
Exists online : False
Views : 319