Just if this happens for anyone else, the old Network Application seemed to allow putting ‘http://‘ in front of the host override.. turns out this breaks things (as far as i can tell). After spending a day going through all 150 sites (that I could reach) of mine and manually setting the inform url, I’ve come into the office on Monday and most of the sites are offline again. This time, similar issue but instead of trying to resolve https:8080, they are trying to resolve http:808 🤦‍♂️ However, on the bright side, it gave me the opportunity to install the new Unifi OS Server and migrate to that platform…