The current error message shows that there is no user account. Radius based MAC address Authentication with WLAN Controller and ISE 

Now that Firemon has set Radius, I would like to ask everyone who wants Radius attribute to integrate authorization verification.

Hello AllI would like to ask if there are any relevant practices. After reading the guide, I found that the 10,000 sessions purchased cannot be displayed in the ISE License information.Has anyone set up recommended steps Thanks!

Hello AllThe current demand for Sessions requires a total of 50,000My device is Model for SNS 3600, a total of twoBuy a license for 25000 SessionsI set up the two deployments, can it reach Sessions 50000