freeradius not working with AD

[Karthik R]

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.
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