Netdiag Examples

發行項
10/08/2009

Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

NetDiag Examples

Sample Scenario

In this scenario, you have a problem connecting to a network resource. You receive only a "Network path not found" error message and no further assistance. You have no idea where to start troubleshooting the problem.

Assuming that the reason for the failure in this case is that the DNS server is down, the solution can be found with NetDiag.

At the command line, type:

netdiag

When executed in this scenario, NetDiag performs tests on each network adapter, and a set of global tests. The tests on the network adapters are performed in the following order:

Netcard queries test
IpConfig test
Autoconfiguration test (APIPA)
Default gateway test
NetBT name test
WINS Service test

Next in this example NetDiag performs a set of global tests in the following order:

Domain membership test
NetBT transports test
Autonet address test (APIPA)
IP loopback ping test
Default gateway test
NetBT name test
Winsock test
DNS test
Redir and Browser test
DC discovery test
DC list test
Trust relationship test
Kerberos test
LDAP test
Bindings test
WAN configuration test
Modem configuration test
IP Security test

The results of these tests show that the network adapter protocol, bindings, and IP address tests succeed. The DNS ping test fails and reports that the DNS server cannot be contacted.

With this information, the administrator knows that either the DNS server address is incorrect, or the DNS server is not responding. Because the DNS address is also displayed as output, you can easily verify whether it is correct.

After the problem is isolated, the administrator can perform additional troubleshooting to determine why the DNS server is down.

For more information on interpreting output from the NetDiag tool see the Interpreting NetDiag Output topic on the Netdiag Remarks page.

Sample NetDiag Output

.......................................

    Computer Name: RKSRVR-2
    DNS Host Name: rksrvr-2.reskita.microsoft.com
    System info : Windows 2000 Server (Build 2467)
    Processor : x86 Family 6 Model 6 Stepping 0, GenuineIntel
    List of installed hotfixes :
        Q147222


Netcard queries test . . . . . . . : Passed
    [WARNING] The net card 'Intel(R) PRO/100+ Management Adapter' may not be working.



Per interface results:

    Adapter : Local Area Connection

        Netcard queries test . . . : Passed

        Host Name. . . . . . . . . : rksrvr-2
        IP Address . . . . . . . . : 10.10.1.51
        Subnet Mask. . . . . . . . : 255.255.255.0
        Default Gateway. . . . . . :
        Dns Servers. . . . . . . . : 10.10.1.77


        AutoConfiguration results. . . . . . : Passed

        Default gateway test . . . : Skipped
            [WARNING] No gateways defined for this adapter.

        NetBT name test. . . . . . : Passed

        WINS service test. . . . . : Skipped
            There are no WINS servers configured for this interface.

    Adapter : Local Area Connection 2

        Netcard queries test . . . : Failed
        NetCard Status:          DISCONNECTED
            Some tests will be skipped on this interface.

        Host Name. . . . . . . . . : rksrvr-2
        Autoconfiguration IP Address : 169.254.74.217
        Subnet Mask. . . . . . . . : 255.255.0.0
        Default Gateway. . . . . . :
        Dns Servers. . . . . . . . :



Global results:


Domain membership test . . . . . . : Passed


NetBT transports test. . . . . . . : Passed
    List of NetBt transports currently configured:
        NetBT_Tcpip_{A2D04C22-3BB8-4FA0-B7DA-414DC1DD08A7}
        NetBT_Tcpip_{56079E37-8246-4712-8B36-F503FF6F9873}
    2 NetBt transports currently configured.


Autonet address test . . . . . . . : Passed


IP loopback ping test. . . . . . . : Passed


Default gateway test . . . . . . . : Failed

    [FATAL] NO GATEWAYS ARE REACHABLE.
    You have no connectivity to other network segments.
    If you configured the IP protocol manually then
    you need to add at least one valid gateway.


NetBT name test. . . . . . . . . . : Passed


Winsock test . . . . . . . . . . . : Passed


DNS test . . . . . . . . . . . . . : Failed
          [WARNING] Cannot find a primary authoritative DNS server for the name
            'bdover.reskita.microsoft.com.'. [ERROR_TIMEOUT]
            The name 'bdover.reskita.microsoft.com.' may not be registered in DNS.

       [WARNING] The DNS entries for this DC cannot be verified right now on DNS
 server 10.10.1.77, ERROR_TIMEOUT.
    [FATAL] No DNS servers have the DNS records for this DC registered.


Redir and Browser test . . . . . . : Passed
    List of NetBt transports currently bound to the Redir
        NetBT_Tcpip_{A2D04C22-3BB8-4FA0-B7DA-414DC1DD08A7}
        NetBT_Tcpip_{56079E37-8246-4712-8B36-F503FF6F9873}
    The redir is bound to 2 NetBt transports.

    List of NetBt transports currently bound to the browser
        NetBT_Tcpip_{A2D04C22-3BB8-4FA0-B7DA-414DC1DD08A7}
        NetBT_Tcpip_{56079E37-8246-4712-8B36-F503FF6F9873}
    The browser is bound to 2 NetBt transports.


DC discovery test. . . . . . . . . : Passed


DC list test . . . . . . . . . . . : Passed


Trust relationship test. . . . . . : Failed
    Secure channel for domain 'RESKITA' is to '\\a-dcp.reskita.microsoft.com'.
    [FATAL] Cannot set secure channel for domain 'RESKITA' to PDC emulator. [ERR
OR_NO_LOGON_SERVERS]


Kerberos test. . . . . . . . . . . : Passed


LDAP test. . . . . . . . . . . . . : Passed
    [WARNING] Failed to query SPN registration on DC 'a-dcp.reskita.microsoft.com'.
    [WARNING] Failed to query SPN registration on DC 'a-dc1.reskita.microsoft.com'.
    [WARNING] Failed to query SPN registration on DC 'a-dc3.reskita.microsoft.com'.


Bindings test. . . . . . . . . . . : Passed


WAN configuration test . . . . . . : Skipped
    No active remote access connections.


Modem diagnostics test . . . . . . : Passed

IP Security test . . . . . . . . . : Passed
    Service status  is: Started
    Service startup is: Automatic
    IPSec service is available, but no policy is assigned or active

    Note: run "ipseccmd /?" for more detailed information

The command completed successfully

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Netdiag Examples