After 2+ years of reliable performance, All 15 z-wave devices went offline simultaneously

Can someone point me to the right category to begin resolution?

Do some searching. See if you can find a recent thread with any similar symptoms.

Keep in mind this is just us users trying to helpi each other. It’s not a substitute for formal support. There has been some past participation by Samsung employees but that seems to have ended.

What hub do you have? 62.13 started rollout this week.

Account data access on for a week.

EUI: 24FD5B000004EC86

S/N: 3010298151

Firmware: 000.062.00013

/r

You should reach out to ST customer support. In the app, tap on Menu and select Contact us or go to Samsung’s website and go to Support Home located at the bottom of the page.

We’re all just users like you, not ST folks.

What devices? I had this with Fibaro switches last year.

Are they on battery.? I never found what happened. Maybe it was one Fibaro switch zwave device seemed broken.