FIX: DISM Error 50, DISM does not support servicing Windows PE with the /Online option (Solved)
This tutorial contains instructions to resolve the following error when running the DISM command "Dism.exe /Online /Cleanup-Image /Restorehealth" from the Windows Recovery Environment: "Error 50, DISM does not support servicing Windows PE with the /Online option".
The above error is occurred, because in WinRE the operating system is not running, so the /Online switch is useless at this case. In fact the /Online switch in DISM tool, specifies that the action is to be taken on the operating system that is currently running.
How to fix: Error 50 DISM does not support servicing Windows PE with the /Online option.
1. Inside the WinRE command prompt window, get a list of all available drives, by giving this command:
- wmic logicaldisk get name
2. Then find out which drive contains the "Windows" folder, by typing this command: *
- dir drive-letter:
* e.g. To see the contents of the C: drive, type: "dir C:" (without quotes). If you cannot see the "Windows" folder on the C: drive, then continue to the next drive (e.g. "dir D:", "dir E:", etc.), until see the "Windows" folder.
[As you can see at the screenshot below, the Windows folder (at this case) is located at the D: drive.]
3. Once you find the "Windows" drive (e.g. the "D" in this example), give this command to repair the offline Windows image:
- dism.exe /Image:D:\ /Cleanup-Image /Restorehealth
* Note: Where D = the Windows drive. (Change it according your situation)
4. When the DISM operation is completed, give the following SFC command to complete the repairs. *
- SFC /SCANNOW /OFFBOOTDIR=D:\ /OFFWINDIR=D:\Windows
* Note: Where D = the Windows drive. (Change it according your situation)
5. When the operation is completed, reboot your computer.
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