hi. i think that this problem is very similar to many people but i can´t find the solution. i´m trying authenticate users of windows with is own supplicant, when i try authenticate in local users no problem, however the problem is when i try it with openldap. i received a message. Auth: rlm_ldap: Attribute "User-Password" is required for authentication. Thu Apr 29 16:44:57 2010 : Auth: Login incorrect: [peter] (from client wifi port 6145 cli 00-74-05-A6-91-BD) i have read most about this problem but i can´t find de solution. I think that the problem is in mschap. i hope can help me. thanks -- i received a message. Auth: rlm_ldap: Attribute "User-Password" is required for authentication. Thu Apr 29 16:44:57 2010 : Auth: Login incorrect: [peter] (from client wifi port 6145 cli 00-74-05-A6-91-BD) i have read most about this problem but i can´t find de solution. I think that the problem is in mschap. i hope can help me. thanks --