Prohibit connection to roaming Mobile Broadband networks

This policy setting prevents clients from connecting to Mobile Broadband networks when the client is registered on a roaming provider network.

If this policy setting is enabled, all automatic and manual connection attempts to roaming provider networks are blocked until the client registers with the home provider network.

If this policy setting is not configured or is disabled, clients are allowed to connect to roaming provider Mobile Broadband networks.

Supported on: At least Windows Server 2012, Windows 8 or Windows RT
Registry HiveHKEY_LOCAL_MACHINE
Registry PathSoftware\Policies\Microsoft\Windows\WcmSvc\GroupPolicy
Value NamefBlockRoaming
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

wcm.admx

Administrative Templates (Computers)

Administrative Templates (Users)