R2 New — Microsoftwindowsnetfx3ondemandpackagecab //top\\ Download Server 2012

Below is a comprehensive guide to downloading, deploying, and troubleshooting this specific CAB package on Windows Server 2012 R2. Understanding the NetFx3 On-Demand Package

There are two secure ways to get the microsoft-windows-netfx3-ondemand-package.cab payload: 1. Extract from Windows Server 2012 R2 Installation Media

Do not download the .cab file. Mount the Server 2012 R2 ISO and use the /Source switch in DISM to point to the sources\sxs directory. This is the intended "new" architecture for feature installation in this operating system version.

: Usually means the server cannot download the files and cannot find the source. Re-verify your drive letter and ensure the folder contains the microsoft-windows-netfx3-ondemand-package.cab Error 0x800F081F Below is a comprehensive guide to downloading, deploying,

: If you have the ISO or physical DVD, the file is located in the \sources\sxs directory.

This article provides a definitive, step-by-step walkthrough for obtaining a version of the Microsoft-Windows-NetFx3-OnDemand-Package.cab file specifically for Windows Server 2012 R2 , followed by guaranteed installation methods.

The system specifically reports that it cannot find the source files, often specifically referencing the microsoft-windows-netfx3-ondemand-package.cab file, which is located in the \sources\sxs folder of the original installation media. Method 1: The "New" & Recommended Way (Using DISM) Mount the Server 2012 R2 ISO and use

Is the server from the internet, or managed via WSUS/SCCM ?

Mount the Windows Server 2012 R2 ISO to your system (e.g., as drive D: ). Navigate to the following directory: D:\sources\sxs\

What the CAB Is

On the final page, click the link: "Specify an alternate source path" .

PowerShell (offline source): Install-WindowsFeature NET-Framework-Core -Source D:\sources\sxs