D.0 Enabling VNC Access to vSphere 5 VM Guest Consoles

You can allow access through the firewall in a vSphere 5 environment, provided that the ESXi 5 Server and the vCenter Server are properly configured according to VMware documentation. The vSphere Client must also be installed and configured properly according to VMware documentation.

You can use one of two methods to open firewall ports for VNC access:

Section D.1, Enabling VNC Access By Opening Multiple Firewall Ports
Section D.2, Enabling VNC Access by Creating a Special Configuration File