# This Perl code prints the NetBIOS name for the specified domain

# ---------------------------------------------------------------
# Adapted from VBScript code contained in the book:
#      "Active Directory Cookbook" by Robbie Allen
# Publisher: O'Reilly and Associates
# ISBN: 0-596-00466-4
# Book web site: http://rallenhome.com/books/adcookbook/code.html
# ---------------------------------------------------------------

# ------ SCRIPT CONFIGURATION ------
my $strDomain = "<DomainDNSName>";  # e.g. amer.rallencorp.com
# ------ END CONFIGURATION ---------
use Win32::OLE;
$Win32::OLE::Warn = 3;
my $objRootDSE = Win32::OLE->GetObject("LDAP://$strDomain/RootDSE");
my $strADsPath =  "<LDAP://$strDomain/cn=Partitions," .
                  $objRootDSE->Get("configurationNamingContext") . ">;";
my $strFilter = "(&(objectcategory=Crossref)" .
                "(dnsRoot=" . $strDomain . ")(netBIOSName=*));";
my $strAttrs = "netbiosname;";
my $strScope = "Onelevel";
my $objConn = Win32::OLE->CreateObject("ADODB.Connection");
$objConn->{Provider} = "ADsDSOObject";
$objConn->Open;
my $objRS = $objConn->Execute($strADsPath . $strFilter . $strAttrs . $strScope);
$objRS->MoveFirst;
print "NetBIOS name for $strDomain is ",$objRS->Fields(0)->Value,"\n";