Troubleshooting Connect Status Screen Error Messages
The Connect Status screen is a utility that's built in to the Xbox Live Dashboard. It is designed to assist you with diagnosing and troubleshooting common network connectivity issues.
This utility checks the physical connection to the network, verifies that the PPPoE settings, IP address and DNS server names are correct (if required by your broadband provider), and verifies that the Xbox Live servers are responding properly. If it finds a problem, the Connect Status screen provides basic troubleshooting steps to assist you with resolving the issue.
To troubleshoot Connect Status screen error messages, click the type of connection you are using: