@Emitplink Thanks lot for that hint - this is one of the key things to check Unfortunately, this is not documented anyhwere (as Firmware 5.0.70 is not publihsed on the Website for 225 Outdoor) it...

not sure what you want to tell me here. 1) i have no Firewalls in between the controller and the EAPS 2) all other EAP's (10 in total) were re-adopted - it ins only the model 225-Outdoor EAP's with...

@loafingshed - sure they are. it is a Firmware issue not a config issue.

Good afternoon, after upgrading to Controller Version 5.0.30 all AP's were re-adopted apart from all EAP 225 V1 running on latest Firmware 5.07. The Firmware was automatically updated by Controller...