@Vishlamba You should be able to create an SSID with only the 6GHz band, yes. Is the device you are using to check capable of using 6GHz? Also, are you managing the EAPs with a controller? Has the...

@MichelvE Yep, that's how I've gotten it to work in the past; there's also a dedicated migration process that you can do assuming the controllers are the same version. Instructions for that are here:...

@MichelvE Restoring the backup makes sure that the configurations are already on the controller when you try to adopt, but you are free to do whichever one works best for you!

@MichelvE As long as the new controller is on the same network (wired and wireless can share the same LAN/subnet), you should be able to see the devices. Did you forget the devices from the old...

@MichelvE What firmware version do the EAP245s have? Did anything change aside from just restoring the backup? Also, what is the hardware version of the EAPs? That should be visible on the label of...

@grahamk Do you have a different language on your keyboard / in your OS that could be inputting a different character type when you're typing it in? If it works when you export and import the file...