Microsoft KB Archive/885467

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

Article ID: 885467

Article Last Modified on 10/26/2006

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APPLIES TO


 * Microsoft Exchange 2000 Conferencing Server

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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:

Time:

User: N/A

Computer:

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 



CAUSE
This problem occurs if the recurrence object for a recurring meeting is corrupted. When the Conference Manager processes a recurring meeting, the Conference Manager process may stop responding or unexpectedly quit if the recurrence object for that recurring meeting is corrupted.



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:

Time:

User: N/A

Computer:

Description: Corrupted meeting found.

Subject:

Organizer:

Organizer Email:

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



WORKAROUND
To work around this problem, try to determine the recurring meeting that occurs when the Conferencing Server service stops responding. After you determine the recurring meeting that occurs when the Conferencing Server service stops responding, remove this meeting, and then restart the Exchange 2000 Conferencing Server computer.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

Keywords: kbqfe kbhotfixserver kbfix kbexchange2000presp4fix kbbug KB885467

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