When a Windows Vista desktop is shifted from one network to other, one of the most common sources of problems is the physical connection between the computer and the network. As Windows Vista’s default communication protocol for the Internet is TCP/IP, users will be able to ping their way into a connection diagnostic. The ping utility will immediately and effortlessly identify and display connection problems in TCP/IP-based networks.

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Anytime your network refuses to send and receive data properly , your first troubleshooting step should be to check fof problems with the physical connection between the local computer and the rest of the network. Assuming your network connection uses the TCP/IP protocol , your most potent weapon is the Ping ulity. When you use the Ping command with no parameters , Windows sends four echo datagrams , small Internet Control Message Protocol (ICMP) packets, to the address you specify. If the machine at the other end of the connection replies, you know that the network connection between the two points is alive. More »