Microsoft Keyboard Filter (MsKeyboardFilter) Service Defaults in Windows 10

Controls keystroke filtering and mapping.

The Microsoft Keyboard Filter service exists only in:

Default Settings

Startup type: Disabled
Display name:Microsoft Keyboard Filter
Service name:MsKeyboardFilter
Service type:share
Error control:normal
Path:%SystemRoot%\system32\svchost.exe -k netsvcs -p
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MsKeyboardFilter
  • SeTcbPrivilege
  • SeAssignPrimaryTokenPrivilege

Default Behavior

Microsoft Keyboard Filter is a Win32 service. In Windows 10 it is disabled. When the Microsoft Keyboard Filter service is started, it is running as LocalSystem in a shared process of svchost.exe along with other services. If Microsoft Keyboard Filter fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the MsKeyboardFilter service has failed to start due to the error.

Restore Default Startup Configuration of Microsoft Keyboard Filter

1. Run the Command Prompt as an administrator.

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

sc stop MsKeyboardFilter
sc config MsKeyboardFilter start= disabled

3. Close the command window and restart the computer.

The MsKeyboardFilter service is using the KeyboardFilterSvc.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.