@S21ACP Hi, You may try the following. - Disconnect all client devices from the Archer C6's network (and ensure it can't automatically reconnect) - Reboot the Archer C6 - Try again to set up the port...

@esteen I suggest you reset the TL-WR902AC to factory defaults and then try again. Below is what the system log of my TL-WR902AC shown when it connects to an open Wi-Fi network.

@esteen Hi, Do you see any error message? What information does the "WAN" section of the Status menu show? The little switch on the TL-WR902AC is in the "Share Hotspot" position, right?

@Dave334 Hi, Have a look at the official user guide and "how to" videos. https://www.tp-link.com/en/support/download/re650/

@Gianma Normally they should adapt to the new network on their own, at least the one's that have no Wi-Fi built in. Powerline adapters with built-in Wi-Fi (TL-WPA...) that were assigned "static" IP...

@javidr What about if only the TL-PA4010 KIT is connected to the router? I mean, when the RE200 is not connected to the second TL-PA4010.