Name this third entry RemoteDisplay.vnc.port and the value needs to be 59 xx (replace xx with a port between 00-64). 5900 – 5964 are the VNC port numbers and need to be unique per Virtual Machine.

If you are using the vSphere Web Client and connecting to a browser-based virtual machine console, the following access must be possible: The firewall must allow vSphere Web Client to access ...