I want to downgrade a new Server with preinstalled Windows Server 2012 to Windows Server 2008 R2. I would like to do it by booting from the DVD and not by starting setup from the running 2012.
I go to the boot menu, select the DVD drive and and it starts booting from DVD. I can watch a grey bar at the bottom of the screen "Windows is loading files". When this finished it continues to the "Starting Windows" screen, but then, after a few seconds, the screen goes black and the monitor turns off. The Server hardware seems to be still running, HDDs showing activity (DVD not).
Has anyone an idea, what could be the cause that it does not boot successfully?