Vmware reference
From thelinuxwiki
to get a console on a VM. ESXi has the ability to run a video console over VNC by adding the following to the VMX file.
remotedisplay.vnc.port=”59xx″ remotedisplay.vnc.enabled=”true” remotedisplay.vnc.password = “pwd”
works for 3.x, 4.x, 5.x