How to Fix Ubuntu Landscape - Invalid Machine token
during refresh: cannot check: cannot send status to server: bad server status 403 (URL: https://livepatch.canonical.com/api/machine/dfb8755a82202da0678c99065c9501ab): {"error": "Invalid Machine Token"}
You may also see this warning in the motd.
* Canonical Livepatch is enabled. - Livepatch server check failed. Please see /var/log/syslog for more information.The solution is to remove, reinstall landscape and register the node again with your license key.
apt remove landscape-common apt install landscape-commonIt's not clear if this is a bug or intended behavior for Landscape. For large deploymens this could be problematic.