Thank you - that resolved it. A stop/start of the MQTT server and the new name is seen - have to remove the old device(s) first though

relative newbie here....very versatile and simple product Domoticz, kudo's ! made a donation as I expect to be using it frequently Besides the P1 meter so far I am using power plugs from mylocalbytes which come preflashed with Tasmota 10dot0dot0 Running 2023dot1 on an Odroid C4 with "MQTT Auto ...