IIS stops unexpectedly when you use the POP3 RETR command on a server that is running Exchange 2000 Server

When you use the Post Office Protocol version 3 (POP3) retr command on a server that is running Microsoft Exchange 2000 Server, Microsoft Internet Information Services (IIS) may stop unexpectedly (crash).

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: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
   --------------------------------------------------------------
   05-Aug-2003  20:00  6.0.6495.0         90,112  Eximap4.dll      
   05-Aug-2003  20:00  6.0.6495.0         32,768  Expop3.dll       
   05-Aug-2003  20:00  6.0.6495.0         32,768  Exproto.dll      
   05-Aug-2003  18:50  6.0.6495.0         40,960  Febecfg.dll      
   05-Aug-2003  20:00  6.0.6495.0         32,768  Iisif.dll        
   05-Aug-2003  20:00  6.0.6495.0        135,168  Iisproto.dll     
   05-Aug-2003  20:01  6.0.6495.0         61,440  Imap4be.dll      
   05-Aug-2003  18:53  6.0.6495.0        319,488  Imap4evt.dll     
   05-Aug-2003  18:51  6.0.6495.0        126,976  Imap4fe.dll      
   05-Aug-2003  20:00  6.0.6495.0        126,976  Imap4svc.dll     
   05-Aug-2003  20:00  6.0.6495.0         36,864  Pop3be.dll       
   05-Aug-2003  18:53  6.0.6495.0        303,104  Pop3evt.dll      
   05-Aug-2003  18:52  6.0.6495.0         24,576  Pop3fe.dll       
   05-Aug-2003  19:59  6.0.6495.0         73,728  Pop3svc.dll      
   05-Aug-2003  18:53  6.0.6495.0        163,840  Protomsg.dll      
			

Note Because of file dependencies, this update requires Exchange 2000 Server Service Pack 3 (SP3). For more information, click the following article number to view the article in the Microsoft Knowledge Base:

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.