R2 New ((top)) — Microsoftwindowsnetfx3ondemandpackagecab Download Server 2012

On Windows Server 2012 R2, the microsoft-windows-netfx3-ondemand-package.cab file is the primary component for installing . Because this feature is "removed" by default to save disk space, you must provide an external source (like installation media) or configure the server to download it from Windows Update. Installation Methods 1. Using DISM (Command Line)

If a group policy is blocking your manual installation path: Run gpedit.msc to open the .

This is the classic error indicating the system cannot locate or access the required payload files. This often happens when the source path is incorrect, or a WSUS policy is blocking the installation. Using DISM (Command Line) If a group policy

Install .NET Framework 3.5 (includes .NET 2.0 and 3.0) on Windows Server 2012 R2 without internet access or Windows Update, using the standalone feature-on-demand CAB package.

If you manage multiple remote instances or prefer automated deployment scripts, PowerShell offers an efficient path. Open with administrative privileges. Run the following command: powershell Install

Modify your domain or local GPO to allow optional feature installation. Resolving GPO Blocks (Error 0x800F0907)

Proceed to the page and check .NET Framework 3.5 Features . On Windows Server 2012 R2

Now you are equipped to resolve .NET Framework 3.5 installation issues permanently. Keep that .cab file in your admin toolkit—you will need it again.

Deployment Image Servicing and Management tool Version: 6.3.9600.17031

This is the fastest method and less prone to GUI timeouts. Ensure your installation media is mounted. powershell # Replace 'D:' with your actual drive letter