upn

Hi, is it possible to logon to the client using UPN and Duo Radius? Login in with SamAccountName is working fine. UPN login without radius is also working. Controller Log (SamAccountName): [I 0E/00000000/T03A0/P0C50] 10-10-23 15:56:40 - Radius PRAS-BROKER01: User jan from machine...