A visual representation of your network.
The Windows Network Diagnostics tool in Windows Vista helps you identify the top potential issues preventing network connectivity—and it automatically takes appropriate steps toward correcting them.
If a computer on the network loses Internet connectivity, you can graphically see which connection is down and then use Network Diagnostics to help determine the cause of the problem and find possible solutions.
Windows Vista includes wireless diagnostics capabilities as part of the extensible Network Diagnostics Framework (NDF). The NDF provides you with advanced help in resolving network-related issues.
When you are unable to connect to a network resource, you are presented with clear repair options rather than error messages, which can be difficult to understand. If Windows Vista can repair the issue automatically, it will; if not, you are directed to perform simple steps to correct the problem without having to call for support.
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