You see: Error: 87 – The source option is missing a parameter.
This guide provides a direct walkthrough to troubleshoot and resolve this common issue. 🛠️ Quick Solutions 1. Correct Your Command Spacing
The story of fixing is often a tale of " the missing space ." It begins with a frustrated user trying to repair a glitchy Windows system, only to be met with a cryptic message: "The cleanup-image option is unknown." The "A-ha!" Moment: The Missing Space dism error 87 fixed
Ultimate Guide: How to Fix DISM Error 87 in Windows 10 and 11
Keywords naturally integrated: DISM error 87 fixed, DISM error 87, the parameter is incorrect, fix DISM error 87, DISM restorehealth error 87, Windows 10 DISM error 87, DISM source error 87. You see: Error: 87 – The source option
Ensure you are pointing to the correct file inside your installation media, usually located in the sources folder.
Older Windows versions (7, 8, early 10) don’t support all modern DISM parameters. Check your version: Correct Your Command Spacing The story of fixing
net start wuauserv net start cryptSvc net start bits net start msiserver Use code with caution. Try executing your DISM command one more time. Alternative: Using DISM via Windows PowerShell
If you are using the RestoreHealth command, use this exact syntax: powershell DISM /Online /Cleanup-Image /RestoreHealth Use code with caution. If you are trying to check for drivers, use this format: powershell DISM /Online /Get-Drivers Use code with caution. Phase 3: Advanced Solutions