Bluetooth Enumerator Service (BthEnum) Defaults in Windows 11

Default Settings

Startup type: Manual
Display name:Bluetooth Enumerator Service
Service name:BthEnum
Service type:kernel
Error control:normal
Path:%SystemRoot%\System32\drivers\BthEnum.sys
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BthEnum

Default Behavior

Bluetooth Enumerator Service is a kernel driver. In Windows 11 it starts only if the user, an application or another service starts it. If Bluetooth Enumerator Service fails to start, the failure details will be recorded into Event Log. Then Windows 11 should boot up and notify the user about the BthEnum service startup failure.

Restore Default Startup Configuration of Bluetooth Enumerator Service

1. Run the Command Prompt as an administrator.

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

sc config BthEnum start= demand

3. Close the command window and restart the computer.

The BthEnum service is using the BthEnum.sys file that is located in the C:\Windows\System32\drivers directory. If the file is removed or corrupted, read this article to restore its original version from Windows 11 installation media.