Microsoft System Management BIOS Driver (mssmbios) Service Defaults in Windows 10

System Management BIOS Driver by Microsoft Corporation.

Default Settings

Startup type:System
Display name:Microsoft System Management BIOS Driver
Service name:mssmbios
Service type:kernel
Error control:normal
Path:%SystemRoot%\System32\drivers\mssmbios.sys
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\mssmbios

Default Behavior

Microsoft System Management BIOS Driver is a kernel device driver. In Windows 10 it is starting at Kernel initialization. If Microsoft System Management BIOS Driver fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the mssmbios service has failed to start due to the error.

Restore Default Startup Configuration for Microsoft System Management BIOS Driver

1. Select your Windows 10 edition and release, and then click Download.

2. Save the Win10_mssmbios_Service_Startup.cmd file to a local storage device.

3. Run the saved file as an administrator.

4. Restart the computer.

The mssmbios service is using the mssmbios.sys file that is located in the %WinDir%\System32\drivers folder. If the file is changed, damaged or deleted, you can restore its original version from Windows 10 installation media.