“Error: 87. The restorehealth option is not recognized in this context. For more information, refer to the help.”
Common typos: | Wrong | Correct | |-------|---------| | restoreheath | restorehealth | | cleanup-image | cleanup-image (correct – but watch missing dash) | | scratch-dir | /scratchdir | | checkhealth | /CheckHealth (case‑insensitive but slashes required) |
DISM.exe @dismParams
Because DISM is a command-line tool, it is literal-minded. If you type /RestoreHealth without the leading space separating it from the previous command, DISM doesn’t see a command; it sees nonsense. It returns Error 87 because, as far as it knows, you invented a parameter that doesn't exist.
If syntax is 100% correct but error 87 persists: dism error 87
The Deployment Image Servicing and Management (DISM) tool is a command-line utility used to service and manage Windows images, including those used for deployment, installation, and recovery. However, like any other tool, DISM can encounter errors, and one of the most common issues users face is Error 87. This essay will discuss the causes of DISM Error 87, its solutions, and how to prevent it from occurring.
The causes of DISM Error 87 are varied, but some common reasons include: “Error: 87
If spaces are correct, architectures match, and the OS version is supported, Error 87 may indicate that the DISM tool itself is corrupted—a paradox for a repair tool.
Here is the breakdown of why this error haunts your command prompt and how to silence it. If you type /RestoreHealth without the leading space