if (-not (Get-WindowsFeature -Name DHCP).Installed) {
    Write-Host "Le role DHCP n'est pas installer." -ForegroundColor Red
    Install-WindowsFeature -Name DHCP -IncludeManagementTools
    $pool = Read-Host "Nom de la pool "
    $net = Read-Host "Network (en .0)"
    $start = Read-Host "Start du Dhcp "
    $end = Read-Host "Fin du Dhcp "
    $subnet = Read-Host "Masque de sous reseaux "
    $gateway = Read-Host "Gateway "
    $dns = Read-Host "DNS "
Add-DhcpServerv4Scope -Name $pool -StartRange $start -EndRange $end -SubnetMask $subnet -State Active
    Set-DhcpServerv4OptionValue -ScopeId $net -Router $gateway -DnsServer $dns
    Get-Service dhcpserver
}