Article ID: 823515 - View products that this article applies to.
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When your Microsoft Exchange 2000 Server or Microsoft Exchange Server 2003 computers are configured as follows, the POP service on the front-end Exchange Server computer may stop unexpectedly (crash) when a back-end server fails over:
This problem may occur if connections from the front-end Exchange server to the back-end Exchange servers are not cleaned up correctly when the back-end Exchange server fails over.
Exchange Server 2003
Service pack informationTo 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:
(https://support.microsoft.com/kb/836993/ )How to obtain the latest service packs for Exchange Server 2003
Exchange 2000 Server
Hotfix informationA 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:
http://support.microsoft.com/contactus/?ws=supportNote 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 item in Control Panel.
Note Because of file dependencies, this 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:
Date Time Version Size File name ----------------------------------------------------------- 30-Jul-2003 19:42 6.0.6492.0 90,112 Eximap4.dll 30-Jul-2003 19:43 6.0.6492.0 32,768 Expop3.dll 30-Jul-2003 19:43 6.0.6492.0 32,768 Exproto.dll 30-Jul-2003 19:04 6.0.6492.0 40,960 Febecfg.dll 30-Jul-2003 19:43 6.0.6492.0 32,768 Iisif.dll 30-Jul-2003 19:43 6.0.6492.0 135,168 Iisproto.dll 30-Jul-2003 19:43 6.0.6492.0 61,440 Imap4be.dll 30-Jul-2003 19:07 6.0.6492.0 319,488 Imap4evt.dll 30-Jul-2003 19:05 6.0.6492.0 126,976 Imap4fe.dll 30-Jul-2003 19:43 6.0.6492.0 126,976 Imap4svc.dll 30-Jul-2003 19:43 6.0.6492.0 36,864 Pop3be.dll 30-Jul-2003 19:07 6.0.6492.0 303,104 Pop3evt.dll 30-Jul-2003 19:05 6.0.6492.0 24,576 Pop3fe.dll 30-Jul-2003 19:41 6.0.6492.0 73,728 Pop3svc.dll 30-Jul-2003 19:07 6.0.6492.0 163,840 Protomsg.dll
(https://support.microsoft.com/kb/301378/ )How to obtain the latest Exchange 2000 Server service pack
Microsoft has confirmed that this is a problem in Microsoft Exchange 2000 Server.
This problem was first corrected in Microsoft Exchange Server 2003 Service Pack 2.
Article ID: 823515 - Last Review: January 6, 2015 - Revision: 5.1