isso funciona, "lista de scripts de provedores adsi" pesquisada
WScript.Echo( listProviders() );
function listProviders()
{
var list = "ADSI Providers on this machine\n" );
list += "==============================\n" );
var ads = GetObject( "ADs:" );
var e = new Enumerator( ads );
for( ; !e.atEnd(); e.moveNext() )
{
var mem = e.item();
list += mem.Name + "\n";
}
return( list );
}