@dills This seems like an odd question for you, have you contacted their support for help? I don't have a similar problem with my own ER605, so maybe going directly to support will get you the answer...

@Totti_14 Check this: https://community.tp-link.com/en/business/forum/topic/269886?replyId=1113552

@freepaddler Your problem does seem weird, and if you could provide a few screenshots showing exactly how the Portal is set up, it might help pinpoint the problem.

@JCadmin If there are no problems in actual use, there should be nothing to worry about, I occasionally get similar prompts.

@gimlichael Ports 80 and 443 should be open by default within the LAN, you can test it if you try to access it from the WAN side, it is still inaccessible, after all it is a NAT device.

@Nik44 You're right, you can not login the router's standalone page once it is managed by controller. But you can set the port forwarding on the controller, too. Go to...