Update Activation Code

When you receive a new license with a corresponding activation code, you must register the new activation code in Tenable Nessus.

Note: If you are working with Tenable Nessus offline, see Manage Tenable Nessus Offline.

User Interface

  1. In Tenable Nessus, in the top navigation bar, click Settings.
  2. In the Overview tab, click the button next to the activation code.

  3. Type the activation code and click Activate.

    The license is now active on this instance of Tenable Nessus.

Note: If you are using Tenable Nessus Scanner, the License Expiration and Activation Code values on the About page show as N/A.

Command Line Interface

  1. On the system running Tenable Nessus, open a command prompt.

  2. Run the nessuscli fetch --register <Activation Code> command specific to your operating system.

    Platform Command

    Linux

    # /opt/nessus/sbin/nessuscli fetch --register xxxx-xxxx-xxxx-xxxx

    FreeBSD

    # /usr/local/nessus/sbin/nessuscli fetch --register xxxx-xxxx-xxxx-xxxx

    Windows

    C:\Program Files\Tenable\Nessus>nessuscli.exe fetch --register xxxx-xxxx-xxxx-xxxx

    macOS

    # /Library/Nessus/run/sbin/nessuscli fetch --register xxxx-xxxx-xxxx-xxxx

    Tenable Nessus downloads and installs the Tenable Nessus engine and the latest Tenable Nessus plugins, and then restarts.

    Note: To register Tenable Nessus without automatically downloading and installing the latest updates, use the command nessuscli fetch --register-only.