Bluetooth Device (RFCOMM Protocol TDI) Service Defaults in Windows 11
Bluetooth Device (RFCOMM Protocol TDI).
Default Settings
| Startup type: | Manual |
| Display name: | Bluetooth Device (RFCOMM Protocol TDI) |
| Service name: | RFCOMM |
| Service type: | kernel |
| Error control: | normal |
| Group: | PNP_TDI |
| Path: | %SystemRoot%\System32\drivers\rfcomm.sys |
| Registry key: | HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\RFCOMM |
Default Behavior
Bluetooth Device (RFCOMM Protocol TDI) is a kernel driver. In Windows 11 it starts only if the user, an application or another service starts it. If Bluetooth Device (RFCOMM Protocol TDI) fails to start, the failure details will be recorded into Event Log. Then Windows 11 should boot up and notify the user about the RFCOMM service startup failure.
Restore Default Startup Configuration of Bluetooth Device (RFCOMM Protocol TDI)
1. Run the Command Prompt as an administrator.
2. Copy the command below, paste it into the command window and press ENTER:
sc config RFCOMM start= demand
3. Close the command window and restart the computer.
The RFCOMM service is using the rfcomm.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.