Prevent Control

Prevents users from allowing others in a conference to control what they have shared. This enforces a read-only mode; the other participants cannot change the data in the shared application.

Supported on: at least Windows NetMeeting v3.0
Registry HiveHKEY_CURRENT_USER
Registry PathSoftware\Policies\Microsoft\Conferencing
Value NameNoAllowControl
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

conf.admx

Administrative Templates (Computers)

Administrative Templates (Users)