$cmd .= "KRB5_CONFIG=\"$ret->{KRB5_CONFIG}\" ";
$cmd .= "$samba_tool domain dcpromo $ret->{CONFIGURATION} $dcvars->{REALM} DC --realm=$dcvars->{REALM}";
$cmd .= " -U$dcvars->{DC_USERNAME}\%$dcvars->{DC_PASSWORD}";
- $cmd .= " --machinepass=machine$ret->{PASSWORD} --use-ntvfs";
+ $cmd .= " --machinepass=machine$ret->{PASSWORD} --use-ntvfs --dns-backend=BIND9_DLZ";
unless (system($cmd) == 0) {
warn("Join failed\n$cmd");