Connecting multiple Nighthawk X4S extenders

[Yardleygold]

I brought two AC2200 Nighthawk X4S Tri Band WiFi Mesh Extenders with the intention of extending my wifi to the front and back of my property. the first Nighthawk has connected OK but the second simply wont connect to my wifi. Both Nighthawks are brand new but I am wondering if anyone else has experienced this problem or if its not possible to connect two Nighthawks to one wifi system?

Any help would be very much appreciated... thank you

[plemans]

What router it it connected to? 

Are you setting up via wps or the installation wizard?

try the installation wizard.

Also, try shutting off the one you already setup when you setup the 2nd one.