diff -Nrup enrol/manual/lib.php enrol/manual/lib.php
--- enrol/manual/lib.php	2012-02-21 14:32:36.000000000 -0600
+++ enrol/manual/lib.php	2012-09-05 10:41:11.000000000 -0500
@@ -289,6 +289,24 @@ class enrol_manual_plugin extends enrol_
         );
         return $bulkoperations;
     }
+
+    public function cron() {
+        global $DB;
+
+        if (!enrol_is_enabled('manual')) {
+            return;
+        }
+		$funcstarted = time();
+		$where = '{user_enrolments}.status=' . ENROL_USER_ACTIVE . " AND timeend != 0 and timeend < $funcstarted";
+        $expireduserenrolments = $DB->get_records_select('user_enrolments', $where);
+		$expireduserenrolments = $DB->get_records_sql("SELECT {user_enrolments}.*, courseid FROM {user_enrolments}, {enrol} WHERE {user_enrolments}.enrolid={enrol}.id AND ($where)");
+
+        foreach ($expireduserenrolments as &$ue) {
+			events_trigger('user_enrolment_expired', $ue);
+			add_to_log($ue->courseid, 'enrol_manual', 'expired', 'enrol/manual/editenrolment.php?id=' . $ue->userid . '&ue=' . $ue->id, '', $ue->userid);
+        }
+        $DB->set_field_select('user_enrolments', 'status', ENROL_USER_SUSPENDED, $where);
+    }
 }
 
 /**
diff -Nrup enrol/manual/version.php enrol/manual/version.php
--- enrol/manual/version.php	2012-02-21 14:32:36.000000000 -0600
+++ enrol/manual/version.php	2012-09-05 10:39:27.000000000 -0500
@@ -25,6 +25,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version   = 2011112900;        // The current plugin version (Date: YYYYMMDDXX)
+$plugin->version   = 2012082902;        // The current plugin version (Date: YYYYMMDDXX)
 $plugin->requires  = 2011112900;        // Requires this Moodle version
 $plugin->component = 'enrol_manual';    // Full name of the plugin (used for diagnostics)
+$plugin->cron      = 600;