Could you post that FAQ sticky over here?

Workaround (and save yourself hours of troubleshooting): Configure using the default standalone method (eg. Laptop/PC/Mac on autodiscover IP connecting it to the LANPort of the Router). Then go to...

@Dillius This is a serious problem. I can't edit the default 192.168.0.1/24 of the controller depite me having OC200 and AP's working on a different subnet 172.16.127.1/24. Not being able to edit the...