Delete the license and fetch state:
: Run the command /opt/nessus/sbin/nessuscli fetch --challenge (Linux) or nessuscli.exe fetch --challenge (Windows) on the offline machine. nessus offline activation license already in use full
/opt/nessus/sbin/nessuscli fetch --deactivate Delete the license and fetch state: : Run
If you enjoy the adrenaline rush of managing high-stakes security audits in an air-gapped bunker, you’ve likely met my new nemesis: the error. nessus offline activation license already in use full