Open the Start menu, type , right-click "Command Prompt", and choose Run as administrator . Run the following command:
This two-step process first adds the package to the system's side-by-side store, then enables the feature itself.
In many support threads (Reddit, TechNet, Spiceworks), users paste filenames with spaces or extra dashes by mistake. The actual file should have and no trailing -Extra . Microsoft-windows-netfx3-ondemand-package.cab -Extra
dism /online /disable-feature /featurename:NetFx3 dism /online /cleanup-image /restorehealth # Then retry with /limitaccess and the local CAB path
The -F:* flag extracts all files (the "extra" content). Open the Start menu, type , right-click "Command
The term " -Extra " is not a standard parameter or suffix used by Microsoft for this file. After analyzing the keyword "Microsoft-windows-netfx3-ondemand-package.cab -Extra", it appears to be a descriptive label added by users to files hosted on third-party platforms.
: Prevents DISM from attempting to contact Windows Update. /Source : Specifies the location of the CAB file. Use Cases for the CAB File The actual file should have and no trailing -Extra
The exact name of the file varies slightly depending on your processor architecture and system version.
: A common pitfall is that the .cab file must match the exact version of your Windows operating system. Using a .cab sourced from a different Windows version (e.g., a Windows 10 build 1903 file on a Windows 11 24H2 system) will almost certainly result in an error. For the highest stability, it's best to extract the file from an official Microsoft ISO that matches your system's build, or download it from a trusted, version-specific source.
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.