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Thread: Intermittent Loss of Network Connection Vista

  1. #1
    Join Date
    Nov 2004
    Posts
    43

    Intermittent Loss of Network Connection Vista

    Two of my Vista Desktops are connected with SMC Barricade G router via Ethernet Wire. Don’t know what went wrong, both of these PCs are losing connections randomly. They loose the connections and restore it automatically after sometimes. My ipconfig /all show the following result:
    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
    And when I checked the Event Viewer logs, it shows the following entries:
    • Event ID 27; Intel(R) PRO/1000 PM Network Connection Link has been disconnected.
    • 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.
    • 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.
    • 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.



    Any help will be appreciated.

  2. #2
    Join Date
    Sep 2005
    Posts
    208

    Re: Intermittent Loss of Network Connection Vista

    I think there would be duplicate IP and name. Can you just check the DHCP for the same. Make sure there is no duplicate IP addresses. .

  3. #3
    Join Date
    Nov 2004
    Posts
    43

    Re: Intermittent Loss of Network Connection Vista

    Thank you very much for your reply prash_mate but being a newbie in network stuffs, I don’t know how to check it. Can you please tell me how can I check the DHCP for duplicate IP addresses or names? Thanks again.

  4. #4
    Join Date
    Sep 2005
    Posts
    208

    Re: Intermittent Loss of Network Connection Vista

    You can check it in your Routers settings page. Just use web utility and access SMC Barricade G router as DHCP server.

  5. #5
    Join Date
    Nov 2004
    Posts
    43

    Re: Intermittent Loss of Network Connection Vista

    All right, I checked the DHCP Client Log as you suggested and found that there are 3 computers on the network and each of them have their unique IP address, unique MAC address, and a unique name. Now what?

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