The Endpoint Agent is installed and is communicating correctly with the Management Service. You can Clean and Defrag this Endpoint.
Online (Agent not installed)
The Endpoint has been identified on the local network, but does not yet have the Endpoint Agent installed.
The Endpoint has been found in a previous network scan, but is currently offline.
Online (Paired with another CCN)
The Endpoint has the Agent installed, but it is paired with a different instance of the Management Service. You may have multiple Management Services on your network, or the Endpoint is paired with a previous installation of CCleaner Network.
You can find help with this issue here.
Grey (Host limit reached)
The Endpoint has been found, but you have reached the maximum number of licensed Endpoints. i.e. you will need to buy additional licenses.