You _cannot_ read the unicodePwd attribute (where the actual passwd lies) from AD. It can only be written to, and then only under certain conditions (SSL/TLS connection, and if not written by an admin, then a delete/add must be performed in the same operation).

This is why you should use ntlm_auth w/PEAP for AD auth. You could be able to auth against LDAP (PAP) in a TTLS situation (not tried that yet, so I don't know how it would work), but you will never retrieve the unicodePwd attribute.

Hope this helps.

OK. Back to the drawing board... I looked at my options regarding the authenitication method on the W2K client and noticed that I can also used Protected EAP (PEAP). So I switched the client to this. When I tried the authenitication again, this time I get: rlm_eap: Identity does not match User-Name, setting from EAP Identity I did more searches on this error, and tried several suggestions, from using the hints file: DEFAULT Prefix == "MEM\\", Strip-User-Name = Yes Hint = "MEM", Service-Type = Framed-User, Framed-Protocol = PPP I also ensured that use_with_nt_hack was set to "no" in the preprocessor section. I modified the proxy.conf file for the local domain: realm MEM { type = radius authhost = LOCAL accthost = LOCAL } and no matter what I do I still get this error... There was a post on the mailing list that mentioned that some patches were applied to freeradius in Nov 2004, I took a look at the freeradius version I was using on my Fedora Core 3 box and it shows: radiusd: FreeRADIUS Version 1.0.1, for host , built on Oct 6 2004 at 05:25:02 Copyright (C) 2000-2003 The FreeRADIUS server project. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. You may redistribute copies of FreeRADIUS under the terms of the GNU General Public License. For more information about these matters, see the file named COPYRIGHT. I wonder if this is now my problem..... I have attached the debug output: rad_recv: Access-Request packet from host 172.16.5.71:1645, id=235, length=93 User-Name = "MEM\\RGraham" Service-Type = Framed-User Framed-MTU = 1500 NAS-IP-Address = 172.16.5.71 NAS-Port = 24 EAP-Message = 0x02000010014d454d5c5247726168616d Message-Authenticator = 0xeeeaea4ed86a064f533da57687432cb4 rad_lowerpair: User-Name now 'mem\rgraham' Processing the authorize section of radiusd.conf modcall: entering group authorize for request 0 hints: Matched DEFAULT at 41 modcall[authorize]: module "preprocess" returns ok for request 0 radius_xlat: '/var/log/radius/radacct/172.16.5.71/auth-detail-20050630' rlm_detail: /var/log/radius/radacct/%{Client-IP-Address}/auth-detail-%Y%m%d expands to /var/log/radius/radacct/172.16.5.71/auth-detail-20050630 modcall[authorize]: module "auth_log" returns ok for request 0 modcall[authorize]: module "attr_filter" returns noop for request 0 modcall[authorize]: module "chap" returns noop for request 0 modcall[authorize]: module "mschap" returns noop for request 0 rlm_realm: No '@' in User-Name = "rgraham", looking up realm NULL rlm_realm: No such realm "NULL" modcall[authorize]: module "suffix" returns noop for request 0 rlm_eap: EAP packet type response id 0 length 16 rlm_eap: No EAP Start, assuming it's an on-going EAP conversation modcall[authorize]: module "eap" returns updated for request 0 modcall[authorize]: module "files" returns notfound for request 0 rlm_ldap: - authorize rlm_ldap: performing user authorization for rgraham radius_xlat: '(sAMAccountName=rgraham)' radius_xlat: 'ou=mem users,dc=mem-ins,dc=com' rlm_ldap: ldap_get_conn: Checking Id: 0 rlm_ldap: ldap_get_conn: Got Id: 0 rlm_ldap: attempting LDAP reconnection rlm_ldap: (re)connect to mem-dc.mem-ins.com:389, authentication 0 rlm_ldap: bind as cn=administrator,ou=admin,ou=mem users,dc=mem-ins,dc=com/{secret} to mem-dc.mem-ins.com:389 rlm_ldap: waiting for bind result ... rlm_ldap: Bind was successful rlm_ldap: performing search in ou=mem users,dc=mem-ins,dc=com, with filter (sAMAccountName=rgraham) rlm_ldap: looking for check items in directory... rlm_ldap: looking for reply items in directory... rlm_ldap: user rgraham authorized to use remote access rlm_ldap: ldap_release_conn: Release Id: 0 modcall[authorize]: module "ldap" returns ok for request 0 modcall: group authorize returns updated for request 0 rad_check_password: Found Auth-Type EAP auth: type "EAP" Processing the authenticate section of radiusd.conf modcall: entering group authenticate for request 0 rlm_eap: Identity does not match User-Name, setting from EAP Identity. rlm_eap: Failed in handler modcall[authenticate]: module "eap" returns invalid for request 0 modcall: group authenticate returns invalid for request 0 auth: Failed to validate the user. Delaying request 0 for 1 seconds Finished request 0