Update Activation Code
When you receive a new license with a corresponding activation code, you must register the new activation code in Nessus.
Note: If you are working with Nessus offline, see Manage Tenable Nessus Offline.
User Interface
- In Tenable Nessus, in the top navigation bar, click Settings.
- In the Overview tab, click the button next to the activation code.
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Type the activation code and click Activate.
The license is now active on this instance of 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
- On the system running Nessus, open a command prompt.
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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
Nessus downloads and installs the Nessus engine and the latest Nessus plugins, and then restarts.
Note: To register Nessus without automatically downloading and installing the latest updates, use the command nessuscli fetch --register-only.