Microsoft KB Archive/828271

= An H.323 conference participant is no longer displayed as the active talker in Exchange 2000 Conferencing Server =

Article ID: 828271

Article Last Modified on 10/26/2006

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APPLIES TO


 * Microsoft Exchange 2000 Conferencing Server

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SYMPTOMS
In Microsoft Exchange 2000 Conferencing Server, if you configure a conference to use the H.323 connectivity method to connect to the server, you may find that a participant in the conference is no longer displayed as the active talker in the Remote Video window when that participant is the current speaker. The participant has to exit and then rejoin the conference.



CAUSE
This problem may occur if the participant temporarily pauses and then restarts the video stream during the conference.



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 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.

Prerequisites
Because of file dependencies, this update requires 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

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 --  07-Oct-2003  18:37  6.0.6518.0   192,512  Xh323svc.exe



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



MORE INFORMATION
After you apply the hotfix that is described in this article, the symptoms described in the &quot;Symptoms&quot; section do not occur if a participant pauses the video stream for less than 10 seconds during a conference and then restarts the video stream.

For more information about Exchange 2000 Conferencing Server and H.323, visit the following Microsoft Web site:

http://www.microsoft.com/technet/prodtechnol/exchange/2000/maintain/ecsh323.mspx

For additional information about standard terminology that is used to describe Microsoft software updates, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

For additional information about naming schema for Exchange Server updates, click the following article number to view the article in the Microsoft Knowledge Base:

817903 New naming schema for Exchange Server software update packages

Keywords: kbhotfixserver kbqfe kbqfe kbfix kbexchange2000presp4fix kbbug KB828271

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