Known_devices.yaml and wemo issue

hi
wemo switch discovery was working i changed the mode… afther i deleted the wemo add in my ipad and recreate all the wemo connection … after that my homeassistant not picking up my wemo switches… i deleted known_devices.yaml and try to reboot and see known_devices.yaml recreating … thaats not happening wither why

Do you have discovery enabled and NMap/netdisco running? That’s what creates the known_devices file.

hi
thank for the help after i updated ubutu from 14 -16 … netdisco gone i installed again . after that known-device thing solve but… wemo is on and off … some time picking up sometime not? wwhy