Intermittent Loss of Network Connection Vista

Discussion in 'Windows Vista Networking' started by Jeff, Apr 26, 2008.

  1. Jeff

    Jeff Guest

    Hi,

    The last week or so I have been experiencing what appear to be random breaks
    in communication with my network. I notice the problem primarily when
    connected to the Internet.

    I am connected to the Internet through and SMC Barricade G router. The
    computer is hardwired Ethernet to the router. A second computer in my office
    is also connected via Ethernet to the router.

    The connection is lost for several minutes, and then it restores itself
    automatically.

    The Vista Event Viewer shows several events which may have initiated the
    loss of communication. I am not sure which of these will be most helpful for
    troubleshooting, so I will post what I believe are pertinent:

    1. Event ID 27; Intel(R) PRO/1000 PM Network Connection Link has been
    disconnected.
    2. Event ID 2505; The server could not bind to the transport
    \Device\NetBT_Tcpip_{737A72A7-5D80-4E6B-B2B4-1F599399F2E5} because another
    computer on the network has the same name. The server could not start.
    3. Event ID 4321; The name "NEWTECHFX530 :20" could not be registered on
    the interface with IP address 0.0.0.0. The computer with the IP address
    192.168.2.103 did not allow the name to be claimed by this computer.
    4. Event ID 1003;Your computer was not able to renew its address from the
    network (from the DHCP Server) for the Network Card with network address
    0019D16D7512. The following error occurred:
    The operation was canceled by the user.. Your computer will continue to try
    and obtain an address on its own from the network address (DHCP) server.

    Several of these events occur multiple times.

    The following is the result of running ipconfig /all:

    Microsoft(R) Windows DOS
    (C)Copyright Microsoft Corp 1990-2001.

    C:\USERS\JEFF>ipconfig /all

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : NewTechFX530
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Hybrid
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No

    Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Intel(R) PRO/1000 PM Network Connection
    Physical Address. . . . . . . . . : 00-19-D1-6D-75-12
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::a489:a8fc:98da:bab7%8(Preferred)
    IPv4 Address. . . . . . . . . . . : 192.168.2.103(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Lease Obtained. . . . . . . . . . : Saturday, April 26, 2008 7:01:52 AM
    Lease Expires . . . . . . . . . . : Saturday, May 03, 2008 7:31:42 AM
    Default Gateway . . . . . . . . . : 192.168.2.1
    DHCP Server . . . . . . . . . . . : 192.168.2.1
    DHCPv6 IAID . . . . . . . . . . . : 201333201
    DNS Servers . . . . . . . . . . . : 192.168.2.1
    NetBIOS over Tcpip. . . . . . . . : Enabled

    Tunnel adapter Local Area Connection* 6:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
    Physical Address. . . . . . . . . : 02-00-54-55-4E-01
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    IPv6 Address. . . . . . . . . . . :
    2001:0:4137:9e50:c09:1ae:3f57:fd98(Prefer
    red)
    Link-local IPv6 Address . . . . . : fe80::c09:1ae:3f57:fd98%9(Preferred)
    Default Gateway . . . . . . . . . : ::
    NetBIOS over Tcpip. . . . . . . . : Disabled

    Tunnel adapter Local Area Connection* 7:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . :
    isatap.{737A72A7-5D80-4E6B-B2B4-1F599399F
    2E5}
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter Local Area Connection* 12:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . :
    isatap.{737A72A7-5D80-4E6B-B2B4-1F599399F
    2E5}
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::5efe:192.168.2.103%11(Preferred)
    Default Gateway . . . . . . . . . :
    DNS Servers . . . . . . . . . . . : 192.168.2.1
    NetBIOS over Tcpip. . . . . . . . : Disabled

    C:\USERS\JEFF>

    Any help with this would be appreciated.

    Thanks

    Jeff
     
    Jeff, Apr 26, 2008
    #1
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  2. Robert L. \(MS-MVP\), Apr 26, 2008
    #2
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  3. Jeff

    Jeff Guest

    Hi Robert,

    Thanks for your reply.

    I know this will sound like a stupid question; but, how do I check the DHCP
    to make sure there are no duplicate IP addresses or names?

    Thanks,

    Jeff
     
    Jeff, Apr 26, 2008
    #3
  4. Assuming you use SMC Barricade G router as DHCP server, you need to access
    it using web utility.

    --
    Bob Lin, MS-MVP, MCSE & CNE
    Networking, Internet, Routing, VPN Troubleshooting on
    http://www.ChicagoTech.net
    How to Setup Windows, Network, VPN & Remote Access on
    http://www.HowToNetworking.com
     
    Robert L. \(MS-MVP\), Apr 26, 2008
    #4
  5. Jeff

    Jeff Guest

    Hi Robert,

    Thanks for your response.

    I checked the DHCP Client Log.... There are three computers on the network.
    Each has a unique IP address, a unique MAC address, and a unique name.

    Jeff
     
    Jeff, Apr 27, 2008
    #5
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