# File lib/fog/vsphere/requests/compute/vm_config_vnc.rb, line 5
        def vm_config_vnc(options = { })
          raise ArgumentError, "instance_uuid is a required parameter" unless options.has_key? 'instance_uuid'

          search_filter = { :uuid => options['instance_uuid'], 'vmSearch' => true, 'instanceUuid' => true }
          vm_mob_ref    = @connection.searchIndex.FindAllByUuid(search_filter).first
          task          = vm_mob_ref.ReconfigVM_Task(:spec => {
            :extraConfig => [
              { :key => 'RemoteDisplay.vnc.enabled',  :value => options[:enabled] ? 'true' : 'false' },
              { :key => 'RemoteDisplay.vnc.password', :value => options[:password].to_s },
              { :key => 'RemoteDisplay.vnc.port',     :value => options[:port].to_s || '5910' }
            ]
          })
          task.wait_for_completion
          { 'task_state' => task.info.state }
        end