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Test the TCP/IP connection using the ping and net view commands

1. To test the connectivity of the TCP/IP using the Ping command, use the display of the ipconfig command to ensure that the network adapter is not in the Media disconnected state. For more information, see "Note" below.

2. Open a command prompt and use the IP address to test the ping command of the desired host.

If the ping command fails and a "Request timed out" message appears, verify that the host IP address is correct, that the host is running, and that all gateways (routers) between the computer and the host are running.

3. To test the host name resolution function using the ping command, use the host name required for ping.

If the ping command fails and a "Unable to resolve target system name" message appears, verify that the host name is correct and that the host name can be resolved by the DNS server.

4. To test the TCP/IP connection using the net view command, open a command prompt and type net view\\ ComputerName. The net view command lists file and printer shares by establishing a temporary connection. If there is no file or print share on the specified computer, the net view command displays a message of "There are no entries in the list".

If the net view command fails, a "system error 53" message appears, verify that ComputerName is correct, that the computer you are using is running, and that all gateways (routers) between that computer and the computer you are using are running.

If the net view command fails, "system error 5 occurred. Access denied." Message, verify that you are logged on to the computer with an account that has permission to view shares on the remote computer.

To further resolve connectivity issues:

Use the ping command ping ComputerName.

If the ping command fails and a "Unable to resolve target system name" message appears, the ComputerName cannot resolve to an IP address.

Use the net view command and the IP address of the computer, as follows:

Net view\\ IPAddress

If the net view command succeeds, the ComputerName resolves to the wrong IP address.

If the net view command fails with a "system error 53" message, the remote computer may not have a file and printer share running the Microsoft network service.

Be careful

The ipconfig command is the command-line equivalent of the winipcfg command and is available in Windows 95, Windows 98, and Windows Millennium Edition. Computers running Windows XP or Windows Server 2003 operating systems do not include graphical tools equivalent to winipcfg commands. However, you can get the same functionality to view and update IP addresses by opening a network connection, right-clicking a network connection, clicking status, and then clicking the support tab.

If the ipconfig command says "Media disconnected", this indicates that the network cable is not plugged into the network adapter.

If the ipconfig command only produces the message Windows IP Configuration and then returns to the command prompt, you should check to see if the network adapter has been disabled. For more information, see "establishing a local connection" in related topics.

If the ping command cannot be found or the command execution fails, you can use the event Viewer to check the system log and look for problems reported by the installer or the Internet Protocol (TCP/IP) service.

The ping command uses Internet Control message Protocol (ICMP) to echo requests and echo reply messages. Packet filtering policies on routers, firewalls, or other types of security gateways may prevent the traffic from being forwarded.

The process of testing a TCP/IP connection with the net view command assumes that you only use the TCP/IP protocol group. If other protocols, such as NWLink IPX/SPX/NetBIOS compatible transport protocols, are installed, net view may work properly when name resolution and TCP/IP establishment failures occur because net view attempts to use connections from all installed protocols. Even if net view attempts to connect to TCP/IP failed, net view may successfully connect to the NWLink IPX/SPX/NetBIOS compatible transport protocol.

The IPX/SPX protocol is not available on Windows XP 64-bit Edition (Itanium) and the 64-bit version of the Windows Server 2003 family.

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