Microsoft UMPass Driver - Windows 10 Service
Generic pass-through driver by Microsoft Corporation.
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: | Microsoft UMPass Driver |
| Service name: | UmPass |
| Type: | kernel |
| Path: | %WinDir%\System32\drivers\umpass.sys |
| Error control: | normal |
| Group: | Extended Base |
Default Behavior
The Microsoft UMPass Driver service is a kernel mode driver. If Microsoft UMPass Driver fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the UmPass service has failed to start.
Restore Default Startup Type of Microsoft UMPass Driver
Automated Restore
1. Select your Windows 10 edition and release, and then click on the Download button below.
2. Save the RestoreMicrosoftUMPassDriverWindows10.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 umpass.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.