Microsoft KB Archive/826957

= IMAP4 and POP3 clients cannot access mail =

Article ID: 826957

Article Last Modified on 10/26/2006

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APPLIES TO


 * Microsoft Exchange 2000 Server Standard Edition

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SYMPTOMS
Internet Message Access Protocol, Version 4rev1 (IMAP4) and Post Office Protocol version 3 (POP3) clients cannot access mail. You may also notice the following symptoms:  Affected users are located in the same storage group. MAPI mail is not affected. Databases that are in the affected storage group are dismounted. When you try to mount the databases, you may receive the following error message:

Information store is busy

 When you try to restart the information store, the computer may stop responding (hang).



RESOLUTION
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 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:

http://support.microsoft.com/contactus/?ws=support

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) 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 19-Sep-2003 04:10      6.0.6512.0     90,112   Eximap4.dll 19-Sep-2003 04:10      6.0.6512.0     32,768   Expop3.dll 19-Sep-2003 04:11      6.0.6512.0     32,768   Exproto.dll 19-Sep-2003 03:23      6.0.6512.0     40,960   Febecfg.dll 19-Sep-2003 04:10      6.0.6512.0     32,768   Iisif.dll 19-Sep-2003 04:11      6.0.6512.0    135,168   Iisproto.dll 19-Sep-2003 04:12      6.0.6512.0     61,440   Imap4be.dll 19-Sep-2003 03:26      6.0.6512.0    319,488   Imap4evt.dll 19-Sep-2003 03:25      6.0.6512.0    126,976   Imap4fe.dll 19-Sep-2003 04:10      6.0.6512.0    126,976   Imap4svc.dll 19-Sep-2003 04:10      6.0.6512.0     36,864   Pop3be.dll 19-Sep-2003 03:26      6.0.6512.0    303,104   Pop3evt.dll 19-Sep-2003 03:25      6.0.6512.0     24,576   Pop3fe.dll 19-Sep-2003 04:08      6.0.6512.0     73,728   Pop3svc.dll 19-Sep-2003 03:26      6.0.6512.0    163,840   Protomsg.dll 11-Jul-2003 23:39        5.3.18.6      6,656   Spmsg.dll 24-Jun-2003 20:45        5.3.18.5    100,352   Spuninst.exe



WORKAROUND
To work around this issue, restart the computer. However, this is a temporary solution that may last only several hours.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

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