Lost all my z-wave devices. how do I get them back?

[bobbles]

Go to the settings -> z wave page in the UI.
Can you see any devices in there?
If yes do a repair on them till they fail and replace appears.
They probably won't be from what you have said.
If not, follow this guide.
It does work as I used it to get my C3 devices on to my new C7 hub.

Migrating a Z-Wave Network

Some people are going to find reasons to migrate a Z-Wave network by hand from one Hubitat Elevation hub to another one. There are steps you can take that will make this a little bit easier than just starting over. In particular, one wants to preserve automations that use Z-Wave devices, and not have to redo them. This would useful for migrating from a C-4 to a C-7. For C-5 to C-7, one can use the Hub Protection Service and avoid all of this work. First of all, familiarize yourself with thi…