@Pascal Update the firmware of all AP in latest version first. Step what I did in Omada controller. 1. In Wireless Settings there is WLAN group (Default) in Default WLAN there is 3 SSID ( MPV-WiFi ,...

@Forrest Thank you so much TP Link Support..... Problem solved.....

@forest I will forget all the 400AP? then I will adopt again? and I will rename 1 by 1? is that a right procedure? we have schedule reboot for all ap.... and they are rebooted successfully so it...

@Pascal Even we disconnect devices after we scan the wifi still SSID is there and we can connect to that SSID.. how many time we reboot the AP and the controller.

@forrest Version for Omada Controller 3.2.7 the Latest version...

Dear Support, I created a SSID for WifiTest in Omada controller and i deleted sfter we finish testing but until now there are still client connected to the SSID that already deleted. We already...