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Transfer Activation Code

In Nessus Professional 7.0 or later, you can use an activation code on multiple systems. This allows you to easily transfer a Nessus license from one system to another without resetting your activation code each time.

When you transfer the activation code to a system, it becomes the active instance of Nessus for that license. Only the most recently activated system can receive plugin updates. All previous instances of Nessus with that activation code still function, but cannot receive plugin updates. On inactive instances, the following error message appears: Access to the feed has been denied, likely due to an invalid or transferred license code.

To transfer an activation code, use one of the following procedures on the system that you want to make the active instance of Nessus.

Nessus User Interface

Command Line Interface

Perform the following procedure as root, or use sudo as a non-root user.

  1. On the system on which you want to activate 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

    Mac OS X

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

    Windows

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

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

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