This article was previously published under Q273655
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IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986 Description of the Microsoft Windows Registry
When you try to install Exchange 2000 Conferencing Server, you may receive the following error message:
Setup cannot continue. Either this domain does not include an installation of Microsoft Exchange 2000 Server, or you do not have permission to install Microsoft Exchange 2000 Conferencing Server.
When you run Setup, the server's domain is determined by the NetworkAddress property. If the server's primary Domain Name Server suffix is different from the Microsoft Windows NT domain name in which the computer is a member, the server cannot be found, and the installation is unsuccessful.
To resolve this issue, add the following registry entry:
WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.