AnywhereUSB 24 Plus auth via RADIUS with Cisco ISE

We have buy AnywhereUSB 24 Plus and I try setting up auth via RADIUS protocol to Cisco ISE
regarding procedure described on this page (https://www.digi.com/support/knowledge-base/use-radius-for-device-administration-with-cisco-is)

all is ok, I’m login with my AD username and password, but can’t save config from web-page

From ssh all working. I can change configuration without any problem
Please, say, in which can be problem?
Thanks a lot!