Download Microsoft-windows-netfx3-ondemand-package.cab [repack] -

Run .

When environments lack internet access or block Windows Update (often due to strict WSUS or group policy settings), enabling .NET 3.5 via the standard control panel fails. This comprehensive guide provides step-by-step instructions to safely locate, extract, and deploy this CAB package using the Deployment Image Servicing and Management (DISM) tool. Why You Need the netfx3-ondemand-package.cab File

This CAB (Cabinet) file is an offline installation package provided by Microsoft that contains all the necessary components for .NET Framework 3.5. Instead of downloading files from the internet, you can tell Windows to use this file to install the feature directly. How to Get the CAB File (Method 1: Windows ISO) Download Microsoft-windows-netfx3-ondemand-package.cab

If the output shows 0x1 , installation succeeded.

Verify the exact path in your command matches the folder location. Windows cannot download the necessary files [0.5.1]. Use the /LimitAccess flag to force an offline installation. 0x80070002 The system cannot find the specified file. Ensure the .cab file name is spelled exactly as written. Fixing Version Mismatch Issues Why You Need the netfx3-ondemand-package

DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /LimitAccess /Source:C:\sxs

You must have administrative privileges to use DISM. Verify the exact path in your command matches

If the State reads Enabled , the installation was successful.