Service supporting the audio gateway role of the Bluetooth Handsfree Profile. Note: This service was first introduced in Windows 10 Release 1803. It appears to have replaced the older Bluetooth Handsfree Service (BthHFSrv), which was removed from Windows in that release (it is not simply a rename, but a different service). Default: Manual. Counter Measure: The recommended state for this setting is Disabled. Potential Impact: Bluetooth hands-free devices will not function properly with the computer Fix: (1) GPO: Computer Configuration\Windows Settings\Security Settings\System Services\Bluetooth Audio Gateway Service (2) REG: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BTAGService!Start