Nessus Offline Activation License Already In Use Full [verified] Page

Tenable’s offline activation portal caches license usage for up to 1 hour. Wait 60 minutes, regenerate a new challenge file, and retry.

Find the specific activation code causing the issue and click .

sudo systemctl stop nessusd

This guide provides a comprehensive walkthrough for resetting your code and completing a successful offline activation. 1. Understanding the Error nessus offline activation license already in use full

/opt/nessus/sbin/nessuscli fetch --register-offline /path/to/nessus.license Use code with caution.

To free up the license for your new offline installation, you must reset it through the Tenable Community portal:

You are running Nessus in a Docker container or an automated VM environment where the container ID or environment changes on reboot. sudo systemctl stop nessusd This guide provides a

If you regularly manage offline environments, taking these preventative steps will stop this error from recurring:

If you continue to face the "License Already In Use" error after following these steps, you may have reached your maximum self-service portal resets. In this scenario, you must open a ticket with Tenable Technical Support to have them manually clear the lock on their backend. To help troubleshoot further, please share: The hosting your offline Nessus instance. Whether this is a virtual machine or physical hardware.

If you are part of a larger organization and do not have direct admin rights to the licensing portal, or if the portal method fails: To free up the license for your new

Reinstalling the OS or deleting a Nessus instance without unlinking the license leaves the activation code locked to that old system ID.

sudo /opt/nessus/sbin/nessuscli fetch --code-in-use

The administrator injects this Reclamation Token back into the offline Nessus scanner via the UI or command line. Nessus validates the cryptographic signature of the token against its local trusted keys.

In rare instances, resetting the activation code and performing a clean offline activation still results in the same error. Possible explanations include: