Microsoft KB Archive/273575

= XCCC: Unable to Display Dialog Box When Creating a Conference Calendar Mailbox =

Article ID: 273575

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange 2000 Conferencing Server

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This article was previously published under Q273575



SYMPTOMS
When you attempt to create a Site Conference Calendar mailbox, you may receive the following error message:

Exchange Conferencing

Unable to display the requested dialog box.



CAUSE
The Active Conferencing Host server has not been defined.



RESOLUTION
Open the Conference Management Service, and on the General tab, select an Active Conferencing Host server. After you do so, the Site Conference Calendar mailbox can be created.



MORE INFORMATION
This problem can occur if a complete Exchange Conferencing Service has been installed on more than one server within the same Microsoft Windows 2000 site, and then removed.

Additional query words: CMS ECX exch2kp2w

Keywords: kberrmsg kbprb KB273575

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