Udfs Service Defaults in Windows 11
Reads/Writes UDF 1.02,1.5,2.0x,2.5 disc formats, usually found on C/DVD discs. (Core) (All pieces).
Default Settings
| Startup type: | Disabled |
| Display name: | Udfs |
| Service name: | udfs |
| Service type: | filesys |
| Error control: | normal |
| Group: | Boot File System |
| Path: | %SystemRoot%\system32\DRIVERS\udfs.sys |
| Registry key: | HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\udfs |
Default Behavior
Udfs is a file system driver. In Windows 11 it is disabled. If Udfs fails to start, the failure details will be recorded into Event Log. Then Windows 11 should boot up and notify the user about the udfs service startup failure.
Restore Default Startup Configuration of Udfs
1. Run the Command Prompt as an administrator.
2. Copy the commands below, paste them into the command window and press ENTER:
sc stop udfs
sc config udfs start= disabled
3. Close the command window and restart the computer.
The udfs service is using the udfs.sys file that is located in the C:\Windows\system32\DRIVERS directory. If the file is removed or corrupted, read this article to restore its original version from Windows 11 installation media.