Simple script to disable NetBIOS over TCP/IP with PowerShell:
$key = Get-ChildItem HKLM:\System\CurrentControlSet\Services\NetBT\Parameters\Interfaces ForEach($nic in $key) { if (!(Get-ItemProperty $nic.pspath).NetbiosOptions -eq 2) { Set-ItemProperty $nic.pspath -name "NetbiosOptions" -value 2 Write-Host "Successfully set $nic\NetbiosOptions to 2" } Else { Write-Host "$nic\NetbiosOptions already set to 2" } }