| Possible Scenarios | Troubleshooting Steps |
| The server was never up since installing the agent. | Try using a proxy to connect to the internet. Learn how to set a proxy for a Windows, Linux and FreeBSD agent. If the server doesn't show up in the Site24x7 client, troubleshoot using these steps. |
| If the required ports and domains to facilitate communication between your server and the Site24x7 central server are blocked by firewall. | Click here to know the specific ports and domains. |
| If your antivirus software blocks communication to the server monitoring agent. | Unblock the required domains and ports to facilitate communication. Exclude our server monitoring agent directory from the Antivirus software by considering Site24x7 as a trusted application. |
| Network Failure | Ensure that you have your network communication properly set up. Check network connectivity for Windows. |