Microsoftwindowsnetfx3ondemandpackagecab Download Server 2012 R2 New ((exclusive)) [PC]

On the installation media, navigate to sources\sxs .

Do you have access to the or media?

If you prefer using the GUI (Server Manager), you can explicitly point the installer to the SXS folder. Open and click Add Roles and Features . Follow the wizard until you reach Features . Check .NET Framework 3.5 Features . On the installation media, navigate to sources\sxs

Copy this file to a local directory on your target server (e.g., C:\sxs\ ). Method 2: Copy from an Existing Server 2012 R2 Instance On the installation media