@SSpE You can try the Omada Controller. That will force the router to use the same time as the controller, so I only need to confirm the controller has a correct time.

@NumberingRavens It did not happen to me. Make sure you choose the WAN/LAN1 option on the page. I'm using ER605

@hamad12a 1&2: In normal case we use CPE to build a point-to-point connection. The CPE wireless signal is not designed for normal client devices. The Clinet CPE won't provide you wireless signal, but...

@buy.guru Tplink Omada supports Voucher, Local User, SMB, RADIUS and Form Portal. You may refer to the guide link

@JonnieBeGood What is the firmware version of this EAP225(that won't adopt)? Make sure it has the newest firmware, or at least the same version as other EAP225s.

@SSpE Did you set up Auto rebooting schedule? I did see 1970 on log but that only happens after a rebooting of the router. It's reasonable, after rebooting the router needs some time to sync time