Open the mounted drive, go to the sources folder, and look for sxs .
Press Windows + X and select or Command Prompt (Admin) to open an elevated command prompt.
Copy the microsoft-windows-netfx3-ondemand-package...cab file to your local drive (e.g., C:\cab\ ). Method 2: Enterprise Network Shares
Create a standard program deployment with the following command line: dism.exe /online /enable-feature /featurename:NetFX3 /All /Source:.\ /LimitAccess cab file for .net framework 3.5
This is the most reliable method if you cannot use Windows Update.
Deploying via SCCM allows you to track compliance and success rates across thousands of endpoints. Create a new (not an Application) in SCCM.
Temporarily bypass WSUS by adding the /LimitAccess switch to your DISM command, telling Windows explicitly not to check upstream servers: Open the mounted drive, go to the sources
Get-WindowsOptionalFeature -Online -FeatureName NetFx3
Once you have located or extracted the CAB file, you can install it using one of two native Windows deployment tools. Method 1: Using DISM (Recommended)
If you have a Windows ISO, you already have this file; you just need to extract it. Method 2: Enterprise Network Shares Create a standard
When you install or update the .NET Framework 3.5, your system may require a CAB file to complete the installation. This file contains the necessary installation files for the framework, and it's usually downloaded from the Microsoft website or other trusted sources.
In conclusion, CAB files play a crucial role in the installation, update, and repair of the .NET Framework 3.5. While they may seem intimidating, understanding how to work with CAB files can help you troubleshoot and resolve common issues with the framework.
In modern Windows operating systems, ".NET Framework 3.5" is classified as a "Feature on Demand." It is not installed by default to keep the initial OS footprint small.
The standard .NET Framework 3.5 installation relies on Windows Update feature-on-demand staging [1, 2]. If a workstation is isolated from the internet, or if it points to a local Windows Server Update Services (WSUS) server that lacks the necessary payload files, users will encounter error codes like , 0x800F0954 , or 0x800F081F [2].