Nessus Offline Activation License Already In Use

C:\Program Files\Tenable\Nessus\nessuscli.exe fetch --challenge /Library/Nessus/run/sbin/nessuscli fetch --challenge 3. Complete Offline Registration

When performing an offline activation for Tenable Nessus, encountering the error occurs because Nessus licenses are locked to a single host's hardware signature at a time. To resolve this, you must manually reset the license in the Tenable portal before it can be used on a new (or reinstalled) offline machine. 1. Reset Your Activation Code nessus offline activation license already in use

There are four common scenarios that trigger the "license already in use" error in an offline context. C:\Program Files\Tenable\Nessus\nessuscli