Generate Your License

By default, when you install Tenable Nessus, your license is hidden and automatically registered. You cannot view this license.

However, if your Tenable Nessus Server is not connected to the internet (in other words, it is offline), you must generate a license. This license is unique to your Tenable Nessus product, and you cannot share it.

Your license is a text-based file that contains a string of alphanumeric characters. The license is created and based on your unique generated challenge code.

  1. On a system with internet access (B), navigate to the Tenable Nessus Offline Registration Page.

  2. Where prompted, type in your challenge code.

    Example Challenge Code: aaaaaa11b2222cc33d44e5f6666a777b8cc99999

  3. Next, where prompted, enter your Tenable Nessus activation code.

    Example Activation Code: AB-CDE-1111-F222-3E4D-55E5-CD6F

  4. Select Submit.

    At the bottom of the resulting web page, an embedded nessus.license file that includes the license text string appears.

  5. Next, Download and Copy License File (nessus.license).