We’ve been supporting iDevice clients for a few years now, but recently ran into an issue that even a Cisco TAC call & the ever helpful resources of JAMFNation & MacEnterprise we not able to resolve.
Our users authenticate to the wireless using their AD credentials, after a password change they should be prompted to enter their new password. Once done they should reconnect to the wireless.
Oddly, after a password change the iDevices started to be offered a blank cert such as that above
See below for more details