HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Maps

Turn off Automatic Download and Update of Map Data
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Maps\AutoDownloadAndUpdateMapData
Turn off unsolicited network traffic on the Offline Maps settings page
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Maps\AllowUntriggeredNetworkTrafficOnSettingsPage