@MPNguyen88 Following up on this. I don't understand the mechanics of this solution. But I was able to resolve my problem by going to Settings>Insights>Known Clients and forgetting all the devices...

@mackworth On the 2.4 SSID it is disabled. on 5/6 it is "Capable".

Hi, I'm having some issues with newly installed EAP773 APs, in that certain devices are having trouble connecting. So far, I have identified my AppleTV 4k and Ecobee 4th/5th gen thermostats as having...