Udfs Service Defaults in Windows 10

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 10 it is disabled. If Udfs fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the udfs service has failed to start due to the error.

Restore Default Startup Configuration for Udfs

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

2. Save the Win10_udfs_Service_Startup.cmd file to a local storage device.

3. Run the saved file as an administrator.

4. Restart the computer.

The udfs service is using the udfs.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.