I have just seen that the time on our NIS server was several minutes off. Could this be the reason for our problems? I know that kerberos needs accurate time, but is this also the case for NIS? Christoph -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html