@Djeten i think i solved my issue setting radius Framed MTU to 1300 Configurable Framed-MTU on Cisco Catalyst 9800 - CiscoSetting Framed MTU on NPS in Network Policy settings also seems to help.
Hi, got same issue,@Djeten have you found the solution ?WLC in Azure 17.9.5, WLC stops replying to second 'access-challenge' packet from NPS (MS Windows). When disabling 'central authentication' it authenticates correctly.Capture when fail: