Microsoftwindowsnetfx3ondemandpackagecab Download Server 2012 R2 New ^hot^ Jun 2026

Or using DISM with the source switch:

The most reliable method to fix this "file not found" error is to use the Deployment Image Servicing and Management (DISM) tool. You will need access to a Windows Server 2012 R2 ISO file or a USB/DVD drive.

Execute the following command pointing exactly to the folder containing your CAB file: Or using DISM with the source switch: The

Ensure your ISO matches the exact build architecture (64-bit) and language of your OS. The system cannot find the file specified.

This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. The system cannot find the file specified

This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Install .NET 3.5 Windows server 2012 R2

This is a more permanent and manageable solution. If you share with third parties, their policies apply

Locate the file named microsoft-windows-netfx3-ondemand-package~31bf3856ad364e35~amd64~~.cab .

The microsoft-windows-netfx3-ondemand-package.cab provides a controlled, repeatable, offline-capable method for enabling .NET 3.5 on Windows Server 2012 R2. Using DISM or PowerShell with this CAB eliminates dependency on Windows Update or the original installation DVD, making it ideal for secure, disconnected environments, legacy application hosting, and automated build pipelines.