"C:\Program Files\Tenable\Nessus\nessuscli.exe" fetch --challenge Use code with caution. Open a terminal and run: /Library/Nessus/run/sbin/nessuscli fetch --challenge Use code with caution.
With your reset and your new Challenge Code in hand:
: Only the Primary Contact or assigned Product Owner has permission to perform this reset.
If the above steps don't resolve the issue, you may need to perform more advanced troubleshooting: nessus offline activation license already in use
You must be the owner of the code (registered to your account) for the reset option to appear. Also, be aware that there is a time limitation on how frequently you can reset an activation code – often a 10‑day waiting period between resets.
and enter your reset activation code and the new challenge code. Apply License : Download the resulting nessus.license file and register it on the offline host using: nessuscli fetch --register-offline Key Constraints & Tips Permission Requirements : Only the Primary Contact or the assigned Product Owner can reset an activation code in the portal. One Host Only
To help tailor any further troubleshooting advice, let me know: Your (Windows, RHEL, Ubuntu) "C:\Program Files\Tenable\Nessus\nessuscli
Confirm the reset to free up the license for a new activation. Step 2: Generate a New Challenge Code
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Update License Offline (Tenable Nessus 10.12)
Download both files to a secure flash drive or transfer medium to move them to your air-gapped Nessus host. Step 5: Apply the License and Plugins Offiline If the above steps don't resolve the issue,
The most direct way to resolve this is to reset your license through the Tenable Support Portal or the Tenable Community site. Log in to your account. Navigate to the Products or Licenses section.
This article provides a comprehensive guide to understanding why this happens, how to troubleshoot the error, and steps to resolve it to get your Nessus instance up and running. Why Does "License Already in Use" Occur?