Microsoft KB Archive/303947

= XCCC: Error #1AD Using the Web Conferencing Scheduler =

Article ID: 303947

Article Last Modified on 10/27/2006

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APPLIES TO


 * Microsoft Exchange Server 2000 Service Pack 1
 * Microsoft Exchange 2000 Conferencing Server

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This article was previously published under Q303947





SYMPTOMS
When you use the Web Conferencing Scheduler to attempt to schedule a resource, you may receive the following error message:

The Exchange Conferencing Service encountered a server error.

Please try the following:

Contact your system administrator.

Sending the message Error #1AD: Unable to schedule the specified conference.

Microsoft Exchange 2000 Conferencing Server



CAUSE
This problem can occur if the resource mailbox that you invited is homed on a Microsoft Exchange 2000 Server computer that has not been correctly updated. When Exchange 2000 Server and Microsoft Exchange 2000 Conferencing Server are installed on separate computers, you must install the Meeting Access Pages component of Exchange 2000 Conferencing Server on the Exchange 2000 computer, and then update the Exchange 2000 computer with the correct version Exchange 2000 Conferencing Server service pack.



RESOLUTION
To resolve this problem:
 * 1) Run Exchange 2000 Conferencing Server Setup on the Exchange 2000 computer that the resource mailboxes are homed on.
 * 2) Click to clear the check boxes for all of the components except Meeting Access Pages, and then continue with Setup.
 * 3) Install the correct version Exchange 2000 Conferencing Server service pack on the Exchange 2000 computer.

Note The service pack for Exchange 2000 Conferencing Server is different from the service pack for Exchange 2000 Standard or Exchange 2000 Enterprise Edition. You must install the correct version Exchange 2000 Conferencing Server service pack. The version depends on the Exchange 2000 Server Service Pack that you have installed:
 * If you are using Exchange 2000 Server Service Pack 1, you must use Exchange 2000 Conferencing Server Service Pack 1.
 * If you are using Exchange 2000 Service Pack 2, you must use Exchange 2000 Conferencing Server Service Pack 2.
 * If you are using Exchange 2000 Service Pack 3, you must use Exchange 2000 Conferencing Server Service Pack 3.

Also, you must install the Exchange 2000 Server service pack on all the Exchange 2000 servers in the site to successfully deploy the Exchange 2000 Conferencing Server service pack.



MORE INFORMATION
For additional information about how to apply Exchange service packs and hotfixes, click the following article number to view the article in the Microsoft Knowledge Base:

328839 HOW TO: Apply Exchange service packs and hotfixes

To obtain a particular service pack for Exchange 2000 Conferencing Server, contact Microsoft Product Support Services. For additional information about the support options available from Microsoft, visit the following Web site:

http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS

For additional information about how to obtain the latest Exchange 2000 Server service pack, click the following article number to view the article in the Microsoft Knowledge Base:

301378 XGEN: How to obtain the latest Exchange 2000 Server service pack



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

Additional query words: exch2kp2w

Keywords: kbbug kberrmsg kbnofix KB303947

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