Bluetooth Handsfree Service (BthHFSrv) Defaults in Windows 10
Enables wireless Bluetooth headsets to run on your computer. If this service is stopped or disabled, then Bluetooth headsets will not function properly with this machine.
The Bluetooth Handsfree Service exists only in:
- Windows 10 Home 1507
- Windows 10 Pro 1507
- Windows 10 Education 1507
- Windows 10 Enterprise 1507
- Windows 10 Home 1511
- Windows 10 Pro 1511
- Windows 10 Education 1511
- Windows 10 Enterprise 1511
- Windows 10 Home 1607
- Windows 10 Pro 1607
- Windows 10 Education 1607
- Windows 10 Enterprise 1607
- Windows 10 Home 1703
- Windows 10 Pro 1703
- Windows 10 Education 1703
- Windows 10 Enterprise 1703
- Windows 10 Home 1709
- Windows 10 Pro 1709
- Windows 10 Education 1709
- Windows 10 Enterprise 1709
Default Settings
| Startup type: | Manual |
| Display name: | Bluetooth Handsfree Service |
| Service name: | BthHFSrv |
| Service type: | share |
| Error control: | normal |
| Object: | NT AUTHORITY\LocalService |
| Path: | %SystemRoot%\System32\svchost.exe -k LocalServiceAndNoImpersonation |
| File: | %SystemRoot%\System32\BthHFSrv.dll |
| Registry key: | HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BthHFSrv |
| Privileges: |
|
Default Behavior
Bluetooth Handsfree Service is a Win32 service. In Windows 10 it is starting only if the user, an application or another service starts it. When the Bluetooth Handsfree Service is started, it is running as NT AUTHORITY\LocalService in a shared process of svchost.exe along with other services. If Bluetooth Handsfree 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 BthHFSrv service has failed to start due to the error.
Dependencies
Bluetooth Handsfree Service cannot be started under any conditions, if the Bluetooth Support Service is disabled.
Restore Default Startup Configuration of Bluetooth Handsfree Service
Before you begin doing this, make sure that all the services on which Bluetooth Handsfree 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 BthHFSrv start= demand
3. Close the command window and restart the computer.
The BthHFSrv service is using the BthHFSrv.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.