Microsoft-windows-netfx3-ondemand-package.cab — -extra 'link'

This error indicates that the requested feature is on the system, but the source files are missing or the installation process is being blocked. It is often encountered when using the graphical interface.

You can find this file inside the original Windows installation media (ISO or USB). NET Framework 3.5 installation errors - Windows Client Microsoft-windows-netfx3-ondemand-package.cab -Extra

The filename Microsoft-windows-netfx3-ondemand-package.cab might look complex, but each part reveals a clue about its purpose: This error indicates that the requested feature is

Now run DISM pointing to the folder , not the CAB: not the CAB: