Virtual machines that are not connected to their network

unconnected_network_vm.ps1

$vmview = Get-View -ViewType VirtualMachine 
 
$vmview | % {
    if( $_.Runtime.PowerState -eq "poweredOn" ) {
        $netdev = $_.Config.hardware.Device | Where {$_.MacAddress}
        if(!($netdev.Connectable.Connected) ) {
            $hostname = (Get-View -id $_.Runtime.Host).Name
            Write-Host $_.Name $netdev.Backing.Port.PortKey $hostname
        }
    }
}