I'm trying to configure freeradius to authenticate against AD for wireless users. Attached the entire log message for reference. I was able to narrow down the issue but could not fix it, can someone help me here. User-Name = "<domain\username>" NAS-IP-Address = 10.20.0.253 Called-Station-Id = "0014bf72d6be" Calling-Station-Id = "0014a526c319" NAS-Identifier = "0014bf72d6be" NAS-Port = 60 Framed-MTU = 1400 NAS-Port-Type = Wireless-802.11 EAP-Message = 0x0200001301434f52505c6b6172747468696b72 Message-Authenticator = 0xbb9d83dd419b80f599579697d6b70bcd +- entering group authorize ++[preprocess] returns ok ++[mschap] returns noop rlm_realm: No '@' in User-Name = "<domain\username>", looking up realm NULL rlm_realm: No such realm "NULL" ++[suffix] returns noop rlm_realm: Looking up realm "DOMAIN" for User-Name = "<domain\username>" rlm_realm: No such realm "DOMAIN" ++[ntdomain] returns noop ++[expiration] returns noop ++[logintime] returns noop auth: No authenticate method (Auth-Type) configuration found for the request: Rejecting the user auth: Failed to validate the user. Login incorrect: [<domain\\username>/<no User-Password attribute>] (from client <stripped> port 60 cli 0014a526c319) Found Post-Auth-Type Reject +- entering group REJECT expand: %{User-Name} -> <domain\username> attr_filter: Matched entry DEFAULT at line 11 ++[attr_filter.access_reject] returns updated Delaying reject of request 0 for 1 seconds Going to the next request Waking up in 0.9 seconds. Sending delayed reject for request 0 Waking up in 4.9 seconds. Cleaning up request 0 ID 0 with timestamp +55 Ready to process requests.