Microsoft-windows-netfx3-ondemand-package.cab -extra !!better!! -

to check Windows Update, preventing the common connection errors. The Moral of the Story

Mount the Windows ISO file or insert the USB drive. Look in the \sources\sxs\ directory. Microsoft-windows-netfx3-ondemand-package.cab -Extra

: Windows tried to download the feature but failed. This happens when you forgot /limitaccess and your network is restricted. to check Windows Update, preventing the common connection