Error : 87 The online/ cleanup – image /restorehealth option is unknown. For more information, refer to the help by running DISM.exe /?. The DISM log file can be found at C:WINDOWSLogs[&DISM&][&dism&].log C:WindowsLogs[&DISM&]> DISM /online/ cleanup – image /restorehealth
Is it safe to run DISM Online cleanup image RestoreHealth?
The /RestoreHealth switch scans the system for corrupted files. When DISM finds corrupted file types, it tries to repair them automatically. When you run the startup statement “DISM.exe /Online /Cleanup-Image It /restorehealth”, it may appear to hang. Do not panic.
What does dism online cleanup image RestoreHealth do?
DISM.exe /Online /Cleanup-Image /Restorehealth is a Dism command that scans for corruption and fixes problems found by the game in the operating system upon login.
What does Dism exe Online cleanup image Restorehealth do?
DISM./Online exe /Cleanup-Image /Restorehealth is a dism management tool that performs forensic scans and fixes detected issues with an operating system you are already logged into.
Is it safe to run DISM Online cleanup image Restorehealth?
The /RestoreHealth option scans the operating system for corrupted files. When DISM finds corrupted files, it tries to repair them automatically. When you run the DISM command “.exe /Online /Cleanup-Image /Restorehealth” it may appear to be stuck. Do not panic.
Does Dism exe Online cleanup image RestoreHealth delete files?
When you run the DISM.exe /Online /Cleanup-Image /Restorehealth command, the following happens: … The /Cleanup-Image option performs restore and cleanup operations on the current operating system. Finally, the /restorehealth switch even scans the running operating system for corrupted files and attempts to repair them.
How long is DISM Online cleanup image Restorehealth?
You (recommended) use /RestoreHealth to scan the target image for component store corruption, automatically perform recovery actions using Windows Update as its own source, and log that corruption and a log file. This can take at best 10-15 minutes depending on the level of corruption.

Douglas is a technology journalist and editor who has been covering the beat for over a decade. He has a passion for translating complex technology into easy-to-understand language for average consumers, and his work has been featured in some of the most well-known tech publications on the web, and he is a regular contributor to iconremover.com.