--- loncom/interface/lonuserutils.pm	2023/08/01 15:56:32	1.216
+++ loncom/interface/lonuserutils.pm	2023/10/02 21:01:21	1.217
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Utility functions for managing LON-CAPA user accounts
 #
-# $Id: lonuserutils.pm,v 1.216 2023/08/01 15:56:32 raeburn Exp $
+# $Id: lonuserutils.pm,v 1.217 2023/10/02 21:01:21 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -4723,7 +4723,7 @@ sub upfile_drop_add {
         $fieldstype{$field.'_choice'} = 'scalar';
     }
     &Apache::loncommon::store_course_settings('enrollment_upload',\%fieldstype);
-    my ($cid,$crstype,$setting,$crsdom,$crsnum);
+    my ($cid,$crstype,$setting,$crsdom,$crsnum,$oldcrsuserdoms);
     if ($context eq 'domain') {
         $setting = $env{'form.roleaction'};
     }
@@ -4738,6 +4738,11 @@ sub upfile_drop_add {
             $crstype = &Apache::loncommon::course_type($cid);
             $crsdom = $env{'form.dcdomain'};
             $crsnum = $env{'form.dccourse'};
+            if (exists($env{'course.'.$cid.'.internal.userdomains'})) {
+                $oldcrsuserdoms = 1;
+            }
+            my %coursedesc = &Apache::lonnet::coursedescription($cid,{ one_time => 1 });
+            $env{'course.'.$cid.'.internal.userdomains'} = $coursedesc{'internal.userdomains'};
         }
     }
     my ($startdate,$enddate) = &get_dates_from_form();
@@ -5564,6 +5569,13 @@ sub upfile_drop_add {
             } # end of loop
             $r->print('</ul>');
             &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
+            if (($context eq 'domain') && ($setting eq 'course')) {
+                unless ($oldcrsuserdoms) {
+                    if (exists($env{'course.'.$cid.'.internal.userdomains'})) {
+                        delete($env{'course.'.$cid.'.internal.userdomains'});
+                    }
+                }
+            }
         }
         # Flush the course logs so reverse user roles immediately updated
         $r->register_cleanup(\&Apache::lonnet::flushcourselogs);