Bcmfn2 Service - Windows 10 Service
BCM Function 2 Device Driver by Windows (R) Win 7 DDK provider.
This service also exists in Windows 11 and 8.
Startup Type
| Windows 10 version | Home | Pro | Education | Enterprise |
|---|---|---|---|---|
| 1507 | Manual | Manual | Manual | Manual |
| 1511 | Manual | Manual | Manual | Manual |
| 1607 | Manual | Manual | Manual | Manual |
| 1703 | Manual | Manual | Manual | Manual |
| 1709 | Manual | Manual | Manual | Manual |
| 1803 | Manual | Manual | Manual | Manual |
| 1809 | Manual | Manual | Manual | Manual |
| 1903 | Manual | Manual | Manual | Manual |
| 1909 | Manual | Manual | Manual | Manual |
| 2004 | Manual | Manual | Manual | Manual |
| 20H2 | Manual | Manual | Manual | Manual |
| 21H1 | Manual | Manual | Manual | Manual |
| 21H2 | Manual | Manual | Manual | Manual |
| 22H2 | Manual | Manual | Manual | Manual |
Default Properties
| Display name: | Bcmfn2 Service |
| Service name: | bcmfn2 |
| Type: | kernel |
| Path: | %WinDir%\System32\drivers\bcmfn2.sys |
| Error control: | normal |
| Group: | Extended Base |
Default Behavior
The Bcmfn2 Service is a kernel mode driver. If Bcmfn2 Service fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the bcmfn2 service has failed to start.
Restore Default Startup Type of Bcmfn2 Service
Automated Restore
1. Select your Windows 10 edition and release, and then click on the Download button below.
2. Save the RestoreBcmfn2ServiceWindows10.bat file to any folder on your hard drive.
3. Right-click the downloaded batch file and select Run as administrator.
4. Restart the computer to save changes.
Note. Make sure that the bcmfn2.sys file exists in the %WinDir%\System32\drivers folder. If this file is missing you can try to restore it from your Windows 10 installation media.