Some options:
- Include Z-Stick to Hubitat as secondary controller. Then flash from PC Controller software. You don't have to exclude/reinclude the switches from the Hubitat network.
- If you do exclude switches you can preserve the rules by following the instructions:
Migrating a Z-Wave Network - I haven't used it, but I think the "replace" button on the Z-Wave details page on the C7 will also work as long as you don't exclude the device from the Hubitat network before flashing