Microsoft KB Archive/883665

= IIS services unexpectedly restart on your Exchange 2000 Server computer =

Article ID: 883665

Article Last Modified on 10/26/2006

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APPLIES TO


 * Microsoft Exchange 2000 Server Standard Edition

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SYMPTOMS
On your Microsoft Exchange 2000 Server computer, Microsoft Internet Information Services (IIS) services unexpectedly restart. If you have the Dr. Watson tool set up as your default debugger, you can use it to analyze the User.dmp file. The analysis of the User.dmp file shows that an access violation occurred during a call to the Microsoft Exchange IMAP4 HrParse command.



CAUSE
This problem occurs because in this scenario, IIS tries to dereference a NULL pointer.



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 Server 2003 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.

Prerequisites
Because of file dependencies, this update requires Microsoft Exchange 2000 Server Service Pack 3 (SP3). For additional 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

Restart requirement
You do not have to restart your computer after you apply this hotfix. However, many Exchange-related services are automatically stopped and then restarted when you apply this hotfix.

Hotfix replacement information
This hotfix does not replace any other hotfixes.

File information
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 --  19-Oct-2004  20:25  6.0.6617.16        32,768  Iisif.dll 19-Oct-2004 20:25  6.0.6617.16       126,976  Imap4svc.dll 19-Oct-2004 20:23  6.0.6617.16        73,728  Pop3svc.dll



STATUS
Microsoft has confirmed that this is a problem in Microsoft Exchange 2000 Server.

Keywords: kbqfe kbhotfixserver kbfix kbexchange2000presp4fix kbbug KB883665

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