The Theory of booting up Window Server 2012 R2 from SATA HDD Caddy Bay Adaptor

There was a lot of issue regarding booting up Windows from the Caddy in most cases it does not work.
This video shows the theory of booting up Windows Server 2012 R2 from the SATA Caddy adaptor which is Port 5 on HP Proliant Gen8 Microserver.