public void CreatePortGroup(VMware.Vim.HostConfigManager configMgr, string portGroupName, string vSwitchName)
{
VMware.Vim.ManagedObjectReference nMob = configMgr.NetworkSystem;
HostPortGroupSpec portgrp = new HostPortGroupSpec();
portgrp.name = portGroupName;
portgrp.vswitchName = vSwitchName;
portgrp.policy = new HostNetworkPolicy();
vimService.AddPortGroup(nMob != null ? new VimApi_55.ManagedObjectReference()
{
type = nMob.Type,
Value = nMob.Value
} : null, portgrp);
}