Prevent clients from querying the index remotely

If enabled, clients will be unable to query this computer's index remotely. Thus, when they are browsing network shares that are stored on this computer, they will not search them using the index. If disabled, client search requests will use this computer's index. Default is disabled.

Supported on: Any version of Microsoft Windows with Windows Search 4.0 or later
Registry HiveHKEY_LOCAL_MACHINE
Registry PathSOFTWARE\Policies\Microsoft\Windows\Windows Search
Value NamePreventRemoteQueries
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

search.admx

Administrative Templates (Computers)

Administrative Templates (Users)