$NomVm = "NomDeLaVm"
if ($NomVm.length -igt 0)
{
    $MaVm = Get-SCVirtualMachine -Name $NomVm
    foreach ($UneLigne in $MaVm.VirtualNetworkAdapters){
        $MonIp = $UneLigne.IPv4Addresses
        Write-Host "$MaVm / $MonIp"
    }  
}