Yes same issue, contacted TP-LINK support and have got a firmware for this issue, have upgraded to it and is working fine for now.

Do you have the same issue with the first range extender? Check the firmware version of the new repeater, make sure it's latest. Or maybe change the SSID of the new repeater.

If those devices are already paired, no need to do it again. Check the lights status. Make sure WiFi LED is on. Here is a setup video, hope it helps. http://www.tp-link.com/download/TL-WPA4226KIT.html

For hardware V3, v4 and v5, the WA850RE has range extender and access point modes. You can connect a cable into the tplink working as access point. But if there is only range extender mode, cannot do...

Generally the range displayed on the website is an ideal concept. In real life, with walls, wireless interference, it's hard to get that range. So I would suggest you put the router in a more central...

I can see there is only one modem and router. Your mode will be the main DHCP server I guess. Devices behind the SG1008D switch will get IP addresses automatically from the modem. Devices behind the...