Intruder

So your <a href="https://help.intruder.io/en/articles/4838909-internal-agent-installation-checking-your-agent-status" rel="nofollow noopener noreferrer" target="_blank">agent status</a> command has proven that the agent installation was (seemingly) a success?

<code>Running: Yes</code> <code>Linked to: cloud.tenable.com:443</code> <code>Link status: Connected to cloud.tenable.com:443</code>

But your internal system is still showing as unresponsive? Not to worry, there's a handful of reasons why this might be happening and hopefully this article will help you identify which one applies to you.

The machine is switched off It would be worth rebooting the machine and running the scan again

There is a problem with the network connection Have you checked that the internet is working and there aren't any 'power management' settings enabled anywhere? To test this, open your browser and type: <a href="https://cloud.tenable.com/" rel="nofollow noopener noreferrer" target="_blank">https://cloud.tenable.com</a>

The agent is not installed correctly

At this point it's probably worth starting over: 

1. Uninstall the agent, following the steps in the relevant <a href="https://docs.tenable.com/nessus/Content/RemoveNessusAgent.htm" rel="nofollow noopener noreferrer" target="_blank">OS guide</a> (including any appended notes). 
2. Reboot the system.
3. Re-add the internal system, following the steps in our <a href="https://help.intruder.io/en/collections/2770059-internal-vulnerability-scanning" rel="nofollow noopener noreferrer" target="_blank">installation articles</a>.

1. The machine is switched off It would be worth rebooting the machine and running the scan again 
2. There is a problem with the network connection Have you checked that the internet is working and there aren't any 'power management' settings enabled anywhere? To test this, open your browser and type: <a href="https://cloud.tenable.com/" rel="nofollow noopener noreferrer" target="_blank">https://cloud.tenable.com</a> 
3. The agent is not installed correctly
 At this point it's probably worth starting over: 
 1. Uninstall the agent, following the steps in the relevant <a href="https://docs.tenable.com/nessus/Content/RemoveNessusAgent.htm" rel="nofollow noopener noreferrer" target="_blank">OS guide</a> (including any appended notes). 
 2. Reboot the system.
 3. Re-add the internal system, following the steps in our <a href="https://help.intruder.io/en/collections/2770059-internal-vulnerability-scanning" rel="nofollow noopener noreferrer" target="_blank">installation articles</a>.

Is your 'active' internal system showing as unresponsive and you can't work out why? Perhaps this article will help.