"C:\Program Files\Tenable\Nessus\nessuscli.exe" fetch --register-offline nessus.license Use code with caution.
Run nessuscli fetch --code-in-use to check status, and unregister old instances before building new ones.
"C:\Program Files\Tenable\Nessus\nessuscli.exe" update all-2.0.tar.gz
If you continue to experience the "License already in use" loop after performing a portal reset, it may indicate a billing hold or an enterprise management lock. In these rare cases, reach out to your designated Tenable Customer Success Manager to clear the backend registration table manually. To help you get your scanner running quickly, let me know: nessus offline activation license already in use
Understanding the root cause helps prevent the issue during future deployments. The error typically triggers under three scenarios:
On an :
Keep a simple spreadsheet:
The most direct fix is to manually release the "locked" seat within the Tenable Community Portal. Log in to the Tenable Community Portal. Navigate to the My Products section. Locate your Nessus license and click on it.
You formatted the host machine and reinstalled Nessus without first resetting the license.
Take the nessus.license file back to your offline/air-gapped Nessus server via your secure data transfer method (e.g., an approved USB drive or internal SFTP). Register the file using the CLI: nessuscli fetch --register-offline nessus.license Use code with caution. "C:\Program Files\Tenable\Nessus\nessuscli
Select your product type (e.g., Nessus Professional or Expert). Step 2: Reset the Product Activation
From a user experience (UX) perspective, this error is a failure of design for several reasons: