diff --git a/perl-xCAT/xCAT/NodeRange.pm b/perl-xCAT/xCAT/NodeRange.pm
index e89eb4c96..a06364efd 100644
--- a/perl-xCAT/xCAT/NodeRange.pm
+++ b/perl-xCAT/xCAT/NodeRange.pm
@@ -222,11 +222,11 @@ sub extnoderange { #An extended noderange function.  Needed as the more straight
     }
     my $return;
     $retaincache=1;
-    $return->{nodes}=[noderange($range,$verify)];
+    $return->{node}=[noderange($range,$verify)];
     if ($namedopts->{intersectinggroups}) {
         my %grouphash=();
         my $nlent;
-        foreach (@{$return->{nodes}}) {
+        foreach (@{$return->{node}}) {
             $nlent=$nodelist->getNodeAttribs($_,['groups']);
             if ($nlent and $nlent->{groups}) {
                 foreach (split /,/,$nlent->{groups}) {
diff --git a/xCAT-server/sbin/xcatd b/xCAT-server/sbin/xcatd
index 9197bfd95..5263ac913 100755
--- a/xCAT-server/sbin/xcatd
+++ b/xCAT-server/sbin/xcatd
@@ -594,7 +594,7 @@ sub plugin_command {
   my $sock = shift;
   my $callback = shift;
   my %handler_hash;
-  use xCAT::NodeRange;
+  use xCAT::NodeRange qw/extnoderange nodesmissed noderange/;
   $Main::resps={};  
   my @nodes;
   if ($req->{node}) {
@@ -1101,6 +1101,16 @@ sub service_connection {
             }
             print $sock XMLout(\%resp,RootName => 'xcatresponse',NoAttr=>1);
             next;
+          } elsif ($req->{command}->[0] eq "extnoderange" and $req->{noderange}) {  #This is intended for the UIs to build trees
+            #as this would be part of a highly dynamic construct, it has a shortcut here to minimize server load
+            my $subgroups=0;
+            if ($req->{arg} and grep /subgroups/,@{$req->{arg}}) {
+                $subgroups=1;
+            }
+            my %resp=%{extnoderange($req->{noderange}->[0],{intersectinggroups=>$subgroups})};
+            $resp{serverdone}={};
+            print $sock XMLout(\%resp,RootName => 'xcatresponse',NoAttr=>1);
+            next;
           } else {
             my %resp=(error=>"Unsupported request");
             $resp{serverdone} = {};