Bluetooth User Support Service (BluetoothUserService) Defaults in Windows 10

The Bluetooth user service supports proper functionality of Bluetooth features relevant to each user session.

The Bluetooth User Support Service does not exist in:

Default Settings

Startup type: Manual
Display name:Bluetooth User Support Service
Service name:BluetoothUserService
Service type:user share process template
Error control:normal
Path:%SystemRoot%\system32\svchost.exe -k BthAppGroup -p
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BluetoothUserService

Default Behavior

In Windows 10 it is starting only if the user, an application or another service starts it. If Bluetooth User Support Service fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the BluetoothUserService service has failed to start due to the error.


Bluetooth User Support Service cannot be started under any conditions, if the following services are disabled, deleted or working improperly:

Restore Default Startup Configuration of Bluetooth User Support Service

Before you begin doing this, make sure that all the services on which Bluetooth User Support Service depends are configured by default and function properly. See the list of dependencies above.

1. Run the Command Prompt as an administrator.

2. Copy the command below, paste it into the command window and press ENTER:

sc config BluetoothUserService start= demand

3. Close the command window and restart the computer.

The BluetoothUserService service is using the Microsoft.Bluetooth.UserService.dll file that is located in the C:\Windows\System32 directory. If the file is removed or corrupted, read this article to restore its original version from Windows 10 installation media.