--- loncom/lonnet/perl/lonnet.pm	2019/08/27 16:50:07	1.1172.2.115
+++ loncom/lonnet/perl/lonnet.pm	2020/01/17 04:07:59	1.1172.2.116
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.1172.2.115 2019/08/27 16:50:07 raeburn Exp $
+# $Id: lonnet.pm,v 1.1172.2.116 2020/01/17 04:07:59 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1985,6 +1985,17 @@ sub inst_directory_query {
     my $homeserver = &domain($udom,'primary');
     my $outcome;
     if ($homeserver ne '') {
+        unless ($homeserver eq $perlvar{'lonHostID'}) {
+            if ($srch->{'srchby'} eq 'email') {
+                my $lcrev = &get_server_loncaparev(undef,$homeserver);
+                my ($major,$minor,$subver) = ($lcrev =~ /^\'?(\d+)\.(\d+)\.(\d+)[\w.\-]+\'?$/);
+                if (($major eq '' && $minor eq '') || ($major < 2) ||
+                    (($major == 2) && ($minor < 11)) ||
+                    (($major == 2) && ($minor == 11) && ($subver < 3))) {
+                    return;
+                }
+            }
+        }
 	my $queryid=&reply("querysend:instdirsearch:".
 			   &escape($srch->{'srchby'}).':'.
 			   &escape($srch->{'srchterm'}).':'.
@@ -2026,6 +2037,15 @@ sub usersearch {
     my $query = 'usersearch';
     foreach my $tryserver (keys(%libserv)) {
         if (&host_domain($tryserver) eq $dom) {
+            unless ($tryserver eq $perlvar{'lonHostID'}) {
+                if ($srch->{'srchby'} eq 'email') {
+                    my $lcrev = &get_server_loncaparev(undef,$tryserver);
+                    my ($major,$minor,$subver) = ($lcrev =~ /^\'?(\d+)\.(\d+)\.(\d+)[\w.\-]+)\'?$/);
+                    next if (($major eq '' && $minor eq '') || ($major < 2) ||
+                             (($major == 2) && ($minor < 11)) ||
+                             (($major == 2) && ($minor == 11) && ($subver < 3)));
+                }
+            }
             my $host=&hostname($tryserver);
             my $queryid=
                 &reply("querysend:".&escape($query).':'.