diff -Nrup samba-3.5.9/source3/winbindd/wb_group_members.c samba-3.5.9-OK/source3/winbindd/wb_group_members.c
--- samba-3.5.9/source3/winbindd/wb_group_members.c	2011-06-14 15:17:28.000000000 +0400
+++ samba-3.5.9-OK/source3/winbindd/wb_group_members.c	2011-08-12 19:39:15.000000000 +0400
@@ -364,8 +364,13 @@ static void wb_group_members_done(struct
 	status = wb_groups_members_recv(subreq, state, &num_members, &members);
 	TALLOC_FREE(subreq);
 	if (!NT_STATUS_IS_OK(status)) {
+	    if (NT_STATUS_EQUAL(status, NT_STATUS_TRUSTED_DOMAIN_FAILURE)) {
+		    DEBUG(2, ("Trusted domain failure when obtain group members\n"));
+		    num_members = 0;
+	    } else {
 		tevent_req_nterror(req, status);
 		return;
+	    }
 	}
 
 	new_users = new_groups = 0;