I have an appliance ACS v4.1 and I use 802.1X PEAP authentication.
All work fine for PC which are 802.1X compliant with an external database Active Directory
But when you wan't to authenticate a non 802.1X device such as printer, the ACS log an "Internal Error" in Authentication failure code on the Failed report.
I have create an object on AD that have the username = @MAC and password = @MAC
Can you tell me if you have solution to solve this problem ?
Thanks for your help