Cab File For .net Framework 3.5 Updated Jun 2026

Deploying via SCCM allows you to track compliance and success rates across thousands of endpoints. Create a new (not an Application) in SCCM.

The required file is typically named microsoft-windows-netfx3-ondemand-package~31bf3856ad364e35~amd64~~.cab . It is located on the Windows ISO or installation USB in the following directory: \sources\sxs\ How to Install Using the CAB File

This guide covers everything you need to know to source the correct CAB file and install it successfully. What is a .NET Framework 3.5 CAB File?

dism /online /enable-feature /featurename:NetFx3 /all /source:"D:\sources\sxs" /limitaccess cab file for .net framework 3.5

: Windows cannot access the source files, or the system is trying to check Windows Update despite the offline flag.

(short for Cabinet ) is Microsoft’s native archive format, similar to ZIP but designed specifically for software installation, driver packaging, and system file compression. A .cab file contains multiple compressed system files, metadata, and digital signatures.

A CAB file is a native Windows compressed archive format that supports embedded cryptography and digital signatures. For .NET Framework 3.5, Microsoft packages the entire payload into a specific CAB file named (for 64-bit systems). Why Use a CAB File? Deploying via SCCM allows you to track compliance

You do not need to download the CAB file from third-party websites, which often carry security risks. The file is already present on your official Windows installation media.

"Install Roles and Features" → Specify .NET 3.5 → Source path points to CAB folder.

Add-WindowsPackage -Online -PackagePath "C:\cab\microsoft-windows-netfx3-ondemand-package~31bf3856ad364e35~amd64~~.cab" Use code with caution. It is located on the Windows ISO or

: Ideal for machines without an internet connection.

Enterprise networks restricting Windows Update.

Mention that support for .NET Framework 3.5 SP1 is officially slated to end on January 9, 2029 .

dism /online /enable-feature /featurename:NetFx3 /All /Source:C:\temp /LimitAccess

Open the Start menu, type , right-click Command Prompt , and select Run as administrator .