I migrated all my Sonos systems (7 not counting surrounds/sub) to a new WiFi network. The “connect 1 to a wired network” method only moved about half of my systems to the new network. The rest I had to do a factory reset and then during set up they joined to the new network.
The only exception is the Port. After I reset it and go through the setup process, in which I join it to my new WiFi network, it will join to the new network temporarily, but after a few minutes it rejoins the old network.
I tried resetting the Port and leaving it powered off for a few days then setting it up, but it still rejoins the old network after a few minutes.
I’m not at a point in my device migration where I can alter the old network in any way (i.e. can’t change SSID or password).
Any ideas?