Article ID: 873438
Article Last Modified on 10/25/2007
APPLIES TO
- Microsoft Exchange Server 2003 Enterprise Edition
- Microsoft Exchange Server 2003 Standard Edition
- Microsoft Exchange 2000 Server Standard Edition
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.
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 now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft Exchange 2000 Server service pack that contains this hotfix.
To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:
Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.
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
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.
Additional query words: XCON
Keywords: kbqfe kbhotfixserver kbexchpopimapnntp kbfix kbexchange2000presp4fix kbbug kbpubtypekc KB873438
