Here’s a technical write-up covering the download, deployment, and use of the microsoft-windows-netfx3-onDemand-package.cab for Windows Server 2012 R2 in a modern (air-gapped or offline) scenario.
This article provides a definitive guide to locating, downloading, validating, and deploying the "microsoftwindowsnetfx3ondemandpackagecab download server 2012 r2 new" package. Instead, you must use the installation media as
, you typically cannot download a standalone installer from the internet. Instead, you must use the installation media as a source or use specific DISM commands. Microsoft Learn Primary Installation Methods Using DISM with Installation Media (Recommended) The most reliable way is to use the Deployment Image Servicing and Management (DISM) Instead, you must use the installation media as
Navigate the Wizard:
Or using DISM with the source switch:
Solution: Some applications check for specific sub-features. Run the following to enable all subcomponents: Instead, you must use the installation media as
Open PowerShell as Administrator (or an elevated Command Prompt) and run: