I am trying to install Windows 2012 R2 on PowerEdge R520 server, but boot from USB is not working. I have copied OS software and made as bootable USB ( with Windows 7 boot utility) and tested on 64 bit another DELL workstation successfully ( started loading files once i rebooted workstation). However when i tried same USB, the server is not booting from USB to install OS. ( Selected UEFI boot method).
Any help to resolve this issue is much appreciated.