There is only this message repeated over and over in the samba logs on the server. [2016/03/21 17:20:34.992876, 0] ../source3/param/loadparm.c:3156(lp_do_parameter) Ignoring unknown parameter "client ntlm auth" [2016/03/21 20:18:34.396104, 0] ../source3/param/loadparm.c:3156(lp_do_parameter) Ignoring unknown parameter "client ntlm auth" [2016/03/21 20:18:34.428666, 0] ../source3/param/loadparm.c:3156(lp_do_parameter) Ignoring unknown parameter "client ntlm auth"