Fixed — Dism Error 87
Trying to run Windows 10/11 specific DISM switches (like /CheckHealth or /RestoreHealth ) on an older version of Windows (like Windows 7), which does not support them.
DISM /Online /Cleanup-Image /RestoreHealth /Source:WIM:E:\sources\install.wim:1 /LimitAccess dism error 87 fixed
ren C:\Windows\SoftwareDistribution SoftwareDistribution.old ren C:\Windows\System32\catroot2 catroot2.old Restart the services: net start wuauserv net start cryptSvc net start bits net start msiserver 4. Run the System File Checker (SFC) First Trying to run Windows 10/11 specific DISM switches
ren C:\Windows\SoftwareDistribution SoftwareDistribution.old ren C:\Windows\System32\catroot2 catroot2.old Restart the services you stopped earlier: net start wuauserv net start cryptSvc net start bits net start msiserver Reboot your PC and run DISM again. 5. Use the Correct DISM Command for Your OS Version Right-click the Windows icon
Sometimes the traditional Command Prompt environment experiences glitches that Windows PowerShell handles better. The syntax rules remain identical, but switching environments can bypass the error. Right-click the Windows icon. Select Terminal (Admin) or Windows PowerShell (Admin) . Type the standard command exactly as written: powershell DISM.exe /Online /Cleanup-Image /RestoreHealth Use code with caution. Press Enter and observe if the progress bar begins to move. Alternative: Fixing Error 87 on Windows 7