What would happen with syncthing if I clone a pc?

I was wondering what would happen if I clone a pc with Syncthing working on it, (two or more PCs with the same Syncting configuration).

Cloning without creating new keys and thus a new device ID per client would break your sync cluster as multiple devices would have the same ID.

More concretely, nodes would fail to connect to the duplicated node with a “Failed to exchange Hello message” error. This happened to a friend of mine just the other day when he booted up a disused machine.


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