diff --git a/xCAT-server-2.0/lib/xcat/plugins/DNSsn.pm b/xCAT-server-2.0/lib/xcat/plugins/DNSsn.pm
index 69532c9e5..4cf4e504c 100644
--- a/xCAT-server-2.0/lib/xcat/plugins/DNSsn.pm
+++ b/xCAT-server-2.0/lib/xcat/plugins/DNSsn.pm
@@ -86,7 +86,8 @@ sub process_request
 #-----------------------------------------------------------------------------
 sub setup_DNS
 {
-
+    # setup the named.conf file
+    `/opt/xcat/sbin/makenamed.conf`;
     # turn DNS on
 
     $cmd = "chkconfig named on";