Microsoft UIO Mapper Driver Service - Windows 11 Service
Usermode IO Mapper Driver by Microsoft Corporation.
This service exists in Windows 11 only.
Startup Type
| Windows 11 version | Home | Pro | Education | Enterprise |
|---|---|---|---|---|
| 21H2 | not exists | not exists | not exists | not exists |
| 22H2 | not exists | not exists | not exists | not exists |
| 23H2 | not exists | not exists | not exists | not exists |
| 24H2 | System | System | System | System |
Default Properties
| Display name: | Microsoft UIO Mapper Driver Service |
| Service name: | uiomap |
| Type: | kernel |
| Path: | %WinDir%\System32\DriverStore\FileRepository\uiomap.inf_amd64_11efbd9b4c5f482e\uiomap.sys |
| Error control: | normal |
| Group: | Base |
Default Behavior
The Microsoft UIO Mapper Driver Service is a kernel mode driver. If Microsoft UIO Mapper Driver Service fails to start, the error is logged. Windows 11 startup proceeds, but a message box is displayed informing you that the uiomap service has failed to start.
Restore Default Startup Type for Microsoft UIO Mapper Driver Service
Automated Restore
1. Select your Windows 11 edition, and then click on the Download button below.
2. Save the RestoreMicrosoftUIOMapperDriverServiceWindows11.bat file to any folder on a local drive such as SSD or a hard disk.
3. Right-click the downloaded batch file and select Properties.
4. Check the Unblock checkbox and click OK.
5. Right-click the batch file again and select Run as administrator.
6. Restart the computer to save changes.
Note. Make sure that the uiomap.sys file exists in the %WinDir%\System32\DriverStore\FileRepository\uiomap.inf_amd64_11efbd9b4c5f482e folder. If this file is missing you can try to restore it from your Windows 11 installation media.