@BusinessTux since you are running the controller in a docker you need to make sure that these ports are opened in the docker firewall UDP 29810 TCP 29811-29816

@BusinessTux ok, if you haven't deleted the access point from the controller, delete , then reset the access point, press the reset button for 15-20 sec make sure that the access point is connected...

@Efraindeloa Yes you can. you dont need a router.

@Business-Tux check if show pending device is enabled in global view, controller settings.

@Kabello Ok then I understand. it is by definition not a device but a client. but ok, yes, I've seen the same thing, it's always been like that. I have a similar setup at my kids home, there I have...

@Kabello Can you show me a screenshot of the disappearing device? what type of devices disappear