Disable Directory services
Supported on: at least Windows NetMeeting v3.0
Registry
HKCU
Software\Policies\Microsoft\Conferencing Value name: NoDirectoryServices
Description
Disables the directory feature of NetMeeting. Users will not logon to a directory (ILS) server when NetMeeting starts. Users will also not be able to view or place calls via a NetMeeting directory. This policy is for deployers who have their own location or calling schemes such as a Web site or an address book."