Index: branches/RC/core/units/configuration/configuration_event_handler.php
===================================================================
diff -u -r10838 -r11200
--- branches/RC/core/units/configuration/configuration_event_handler.php	(.../configuration_event_handler.php)	(revision 10838)
+++ branches/RC/core/units/configuration/configuration_event_handler.php	(.../configuration_event_handler.php)	(revision 11200)
@@ -144,8 +144,21 @@
 					}
 				}
 
-				if ($event->status == erSUCCESS) { // reset cache
-					$this->Application->UnitConfigReader->ResetParsedData();
+				if ($event->status == erSUCCESS && $items_info) { // reset cache
+					$id_field = $this->Application->getUnitOption($event->Prefix, 'IDField');
+					$table_name = $this->Application->getUnitOption($event->Prefix, 'TableName');
+
+					$sql = 'SELECT ' . $id_field . '
+							FROM ' . $table_name . '
+							WHERE ' . $id_field . ' IN (' . implode(',', array_keys($items_info)) . ') AND (VariableName = "AdvancedUserManagement")';
+					$refresh_sections = $this->Conn->GetCol($sql);
+
+					if ($refresh_sections) {
+						// reset sections too, because of AdvancedUserManagement
+						$event->SetRedirectParam('refresh_tree', 1);
+					}
+
+					$this->Application->UnitConfigReader->ResetParsedData($refresh_sections ? true : false);
 				}
 			}