Offline Files Driver - Windows 11 Service
Allows network files to be used while the local computer is offline.
This service also exists in Windows 10, 7, 8 and Vista.
Startup Type
| Windows 11 version | Home | Pro | Education | Enterprise |
|---|---|---|---|---|
| 21H2 | not exists | System | System | System |
| 22H2 | not exists | System | System | System |
| 23H2 | not exists | System | System | System |
| 24H2 | not exists | System | System | System |
Default Properties
| Display name: | Offline Files Driver |
| Service name: | CSC |
| Type: | kernel |
| Path: | %WinDir%\system32\drivers\csc.sys |
| Error control: | normal |
| Group: | network |
Default Behavior
The Offline Files Driver service is a kernel mode driver. If Offline Files Driver fails to start, the error is logged. Windows 11 startup proceeds, but a message box is displayed informing you that the CSC service has failed to start.
Dependencies
Offline Files Driver is unable to start, if the Redirected Buffering Sub System service is stopped or disabled.
Restore Default Startup Type for Offline Files Driver
Automated Restore
1. Select your Windows 11 edition and release, and then click on the Download button below.
2. Save the RestoreOfflineFilesDriverWindows11.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 csc.sys file exists in the %WinDir%\system32\drivers folder. If this file is missing you can try to restore it from your Windows 11 installation media.