[Libguestfs] ESX Cluster

Hello, we are learning how to use virt-v2v and are about to look at converting VMware instances. Our VMware admin says that the VMware server setup is a windows box with three linux boxes in a cluster. Does it matter which linux box we connect to ? Is it adequate to install libvirt and sshd on that box to enable the transfer? Does it need the PKI stuff - cacert.pem etc? Thanks, John Holland