/s: Use as Home Server. Ignored for DcPromo and RegisterInDns tests which can only be run locally. /n: Use as the Naming ...

   /s: Use  as Home Server. Ignored for DcPromo and
       RegisterInDns tests which can only be run locally.
   /n: Use  as the Naming Context to test
       Domains may be specified in Netbios, DNS or DN form.
   /u: Use domain\username credentials for binding.
       Must also use the /p option