ReFS Dedup Service - Windows 11 Service
ReFS data deduplication and compression service to track file changes and run scheduled optimization jobs.
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 | Manual | Manual | Manual | Manual |
Default Properties
| Display name: | ReFS Dedup Service |
| Service name: | refsdedupsvc |
| Type: | own |
| Path: | %WinDir%\System32\ReFsDedupSvc.exe |
| Error control: | normal |
| Object: | LocalSystem |
Default Behavior
The ReFS Dedup Service is running as LocalSystem in its own process of ReFsDedupSvc.exe. It doesn't share its process with other services. If ReFS Dedup Service fails to start, the error is logged. Windows 11 startup proceeds, but a message box is displayed informing you that the refsdedupsvc service has failed to start.
Dependencies
ReFS Dedup Service is unable to start, if at least one of the following services is stopped or disabled:
Restore Default Startup Type for ReFS Dedup Service
Automated Restore
1. Select your Windows 11 edition, and then click on the Download button below.
2. Save the RestoreReFSDedupServiceWindows11.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 ReFsDedupSvc.exe file exists in the %WinDir%\System32 folder. If this file is missing you can try to restore it from your Windows 11 installation media.