Thanks for the reply. I do have several Wemo switches. I have tried removing a few Wemos and attempting the setup of the non-Wemo switches to no avail. I have reset all the non-Wemo switches and even tried setting them up within 2 feet of the router. I’m not really in the market for new switches since I have several of the non-Wemo devices (I would buy more of what I know work in that case). All of my switches are 2.4GHz compatible only. The modem/router comes from my ISP and is apparently the latest that they have. I will pursue updating it, but would like a solution in the meantime.