@MR.S Good to know, as the issue should be something within my setup. As a matter of fact, I did a hard reset yesterday evening, it took some minutes to adopt again, but until know everything is...

@MR.S Thanks for checking. Currently doing the following actions: - Upgrading the controller to 5.15 (Beta version) - If this doesn't work, factory reset the router. I already tried to force the...

@MR.S Thanks again for performing theses tests MR.S! Just wondering, is your logfile looking the same like below? There is no other information then these notices. There is also no other device...

@MR.S At first, thanks for testing it on your own network. We are a couple of hours further and more devices are changing IP. My findings: - It doesn't matter if they are connected with an AP or...

@MR.S I updated the firmware this morning and after the installation, all fixed ip addresses were pushed to the devices. After 2 hours the first tapo p115 device started to switch to a different IP....

@MR.S Thanks for the suggestions didn't know there was a beta version available. Will give it a try and let you know the results.