Vmware

DOH you dumbasses...

Put the ISO on a location that vSphere can see
Stop the VM
VM > Edit settings... > Virtual Hardware tab > Configure the CD to mount the ISO, check the box to Mount on boot
VM > Edit settings... > VM Options tab > Boot options > Boot delay > 3000ms or more so you can get to the boot screen
Hit F2 to go to "BIOS", change the boot order there to push the CD to the top