@PietroC We need more deets on what you mean by nothing works? Im sure firmware update is needed on the hardware for it to operate with the newest controller version.

@SebyD My Mem usage went down 1%. CPU stayed the same.

@francafe You will want to look into a 3rd party captive portal vendor. Cloud hosted portal vendor. The omada portal is fairly basic.

@KimcheeGUN In-Walls, maybe a good idea if you already have wall jacks ran and installed. May need to put them in every room.

@EagleHeart Old buildings with concrete walls can be a PITA to "eye out" and plan out a network. I would suggest, firing up an AP on prem, download Acrylic Wireless Home Analyzer, and do a wireless...

@Djw1973 Also, with those laptops... goto the wifi card vendor site and make sure you have the latest firmware version.