diff -Nrbu samba-3.5.4/source3/winbindd/winbindd.c samba-3.5.4-OK/source3/winbindd/winbindd.c
--- samba-3.5.4/source3/winbindd/winbindd.c	2010-06-18 16:01:04.000000000 +0400
+++ samba-3.5.4-OK/source3/winbindd/winbindd.c	2010-07-02 18:19:34.000000000 +0400
@@ -1260,12 +1260,14 @@
 		exit(1);
 	}
 
+	if (lp_allow_trusted_domains()) {
 	te = tevent_add_timer(winbind_event_context(), NULL, timeval_zero(),
 			      rescan_trusted_domains, NULL);
 	if (te == NULL) {
 		DEBUG(0, ("Could not trigger rescan_trusted_domains()\n"));
 		exit(1);
 	}
+	}
 
 	TALLOC_FREE(frame);
 	/* Loop waiting for requests */