#1740·nebula

BUG: wintun driver upgrade removes adapters from other wintun-based products

Author: SOglfCreated May 24, 2026Updated May 26, 2026

What version of nebula are you using? (nebula -version)

latest

What operating system are you using?

Windows

Describe the Bug

WARNING for those who think a preproduction tests went OK in windows environment:

There is a bug in wintun driver, which causes ALL EXISTING WINTUN INSTANCES to be DELETED, all routes, all interface setting, names, FW settings.

At least add a warning, that this may happen

Logs from affected hosts

Config files from affected hosts