The conferencing server stops responding to client requests, and event ID 12288 is logged on an Exchange 2000 Conferencing Server computer (885467)

SYMPTOMS

You may experience the following symptoms on a computer that is running Microsoft Exchange 2000 Conferencing Server:

The Conference Manager service may stop responding. In this scenario, users cannot list conferences, join conferences, or schedule conferences.

If you try to restart the Conference Manager service after it stops responding, you are not successful.
The following event is logged in the Application log:Event Type: Error
Event Source: MSExchangeCONF
Event Category: (3)
Event ID: 12288
Date: date
Time: time
User: N/A
Computer: computername
Description: An exception has occurred which was handled internally. Exception Handler: 0 Code: c0000005 Flags: 0 Address: 77fcdf2a

For more information, click http://search.support.microsoft.com/search/?adv=1.
Data:
0000: 80040205 000005d7 e1e25a0e

RESOLUTION

This hotfix locates recurrence objects that are corrupted and stops the processes that corrupted the objects. In this scenario, if a recurring meeting has a corrupted recurrence object, the following event is logged in the Application log:Event Type: Error
Event Source: MSExchangeCONF
Event Category: CMS Internal
Event ID: 16394
Date: date
Time: time
User: N/A
Computer: computername
Description: Corrupted meeting found.
Subject: Subject of the conference
Organizer: OrganizerName
Organizer Email: Organizer e-mail address

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 Conferencing 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 phone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/default.aspx?scid=fh;[LN];CNTACTMS

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

No prerequisites are required to install this hotfix.

Restart requirement

You do not have to restart your computer after you install this hotfix. However, the Conference Manager service is 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  19:57  6.0.6617.16       524,288  Xconfmgr.exe     
   19-Oct-2004  20:20  6.0.6617.16     1,314,816  Xconfmsg.dll