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Chapter 23. Accessing and Using Your Network > Diagnosing Network Problems

Diagnosing Network Problems

Windows XP came with a Repair tool that did a pretty good job of repairing connectivity problems because most networking problems can be resolved by running the Repair tool’s basic tasks: disconnecting, renewing the DHCP lease, flushing various network caches, and then reconnecting. However, all too often the Repair tool would report that it couldn’t fix the problem, which usually meant that the trouble existed at a level deeper in the network stack than the Repair tool could go. In an attempt to handle these more challenging connectivity issues, Vista comes with a completely redesigned Network Diagnostics tool that digs deep into all layers of the network stack to try to identify and resolve problems. Vista gives you several methods of launching the Network Diagnostic tool:

  • Right-click the notification area’s Network icon and then click Diagnose.

  • In the Network and Sharing Center, click View Status and then click Diagnose.

  • If you lose a connection to a network share, Vista displays a Network Error dialog box to let you know. Click the Diagnose button.

  • In the Network Connections window (see the “Managing Network Connections” section in Chapter 22), click the broken connection and then click Repair This Connection.


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