Hello Alan,

I have upgrade to 2.1.1 however still the same effect with perl to lc the usernames

perl_pool: item 0x2043d70 asigned new request. Handled so far: 1
found interpetator at address 0x2043d70
rlm_perl: RAD_REQUEST: NAS-Port-Type = Ethernet
rlm_perl: RAD_REQUEST: Service-Type = Framed-User
rlm_perl: RAD_REQUEST: Calling-Station-Id = 00-15-C5-02-39-99
rlm_perl: RAD_REQUEST: Called-Station-Id = 00-13-19-EE-6F-11
rlm_perl: RAD_REQUEST: Message-Authenticator = 0x07aff0e5868237d45fbc587ddaf091b4
rlm_perl: RAD_REQUEST: User-Name = ****\\RadUser
rlm_perl: RAD_REQUEST: EAP-Message = 0x02030011014e494e545c52616455736572
rlm_perl: RAD_REQUEST: NAS-IP-Address = 10.0.1.9
rlm_perl: RAD_REQUEST: NAS-Port = 50117
rlm_perl: RAD_REQUEST: Framed-MTU = 1500
rlm_perl: Added pair NAS-Port-Type = Ethernet
rlm_perl: Added pair Service-Type = Framed-User
rlm_perl: Added pair Calling-Station-Id = 00-15-C5-02-39-99
rlm_perl: Added pair Called-Station-Id = 00-13-19-EE-6F-11
rlm_perl: Added pair Message-Authenticator = 0x07aff0e5868237d45fbc587ddaf091b4
rlm_perl: Added pair User-Name = ****\\raduser
rlm_perl: Added pair EAP-Message = 0x02030011014e494e545c52616455736572
rlm_perl: Added pair NAS-IP-Address = 10.0.1.9
rlm_perl: Added pair NAS-Port = 50117
rlm_perl: Added pair Framed-MTU = 1500
perl_pool total/active/spare [32/0/32]
Unreserve perl at address 0x2043d70
++[perl] returns updated
++[chap] returns noop
++[mschap] returns noop
[suffix] No '@' in User-Name = "****\ aduserr", looking up realm NULL
[suffix] No such realm "NULL"
++[suffix] returns noop
[eap] EAP packet type response id 3 length 17
[eap] No EAP Start, assuming it's an on-going EAP conversation
++[eap] returns updated
++[unix] returns notfound
++[files] returns noop
++[expiration] returns noop
++[logintime] returns noop
[pap] WARNING! No "known good" password found for the user.  Authentication may fail because of this.
++[pap] returns noop
Found Auth-Type = EAP
+- entering group authenticate {...}
[eap] Identity does not match User-Name, setting from EAP Identity.
[eap] Failed in handler
++[eap] returns invalid
Failed to authenticate the user.
Login incorrect: [****\\\raduser] (from client switch-man-lan port 50117 cli 00-15-C5-02-39-99)
Using Post-Auth-Type Reject
+- entering group REJECT {...}
[attr_filter.access_reject]     expand: %{User-Name} -> nint\ aduserr
 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
Sending Access-Reject of id 133 to 10.0.1.9 port 1645
Waking up in 4.9 seconds.


Let me know whatever else I can provide to help