folder of the original Windows installation media. He dug through his desk until his fingers brushed a dusty USB drive labeled Server 2019 . He slid it into the machine, the drive letter appearing with a soft chime.
This article is part of a series on Windows Servicing. Always ensure your system is backed up before making changes to the component store.
: The .cab file version must strictly match the version of the Windows operating system it is being installed on (e.g., a file from a Windows 10 v1903 ISO may fail with error 0x800f081f if used on v2004). Microsoft-windows-netfx3-ondemand-package.cab -Extra
: If your CAB is named ..._extra.cab , rename it to the exact canonical name: microsoft-windows-netfx3-ondemand-package.cab . Sometimes a download manager adds "extra" to the file extension (e.g., .cab.extra ). Remove that.
The tool is the command-line utility used to service Windows images. This is the primary and most effective method for installing .NET Framework 3.5 using the CAB file. folder of the original Windows installation media
Once you have the legitimate microsoft-windows-netfx3-ondemand-package.cab (extracted from an ISO or a trusted network share), you install it using (Deployment Imaging Servicing and Management).
An alternative method is to place your CAB file inside a folder and point DISM's feature-enabling command to that folder. This is the approach most commonly discussed in troubleshooting forums. This article is part of a series on Windows Servicing
Starting with Windows 8, Microsoft moved .NET Framework 3.5 to an "on-demand" model. This means the core files aren't pre-installed to save disk space. When you try to enable it, Windows usually attempts to download the necessary binaries from . If your machine is offline, behind a strict firewall, or using WSUS (Windows Server Update Services) that doesn't have the FOD enabled, the installation will fail with errors like 0x800F081F or 0x800F0906 . How to Install it Offline
Could you clarify if you are trying to that isn't working, or if you are looking for a deep-dive technical document on how these "on-demand" packages are structured?
Add-WindowsPackage -Online -PackagePath "C:\microsoft-windows-netfx3-ondemand-package.cab" Use code with caution. Troubleshooting and Crucial Considerations