Why not try this? Worked for us. http://wiki.freeradius.org/FreeRADIUS_Active_Directory_Integration_HOWTO Note that the first thing configured is the Samba server. It doesn't even mention installing the Freeradius server until after the Samba configuration is completed. Hi, > It must be you. so your are the right person to tell me what is > causing ntlm_auth to send OK.