DNS server not responding

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  1. Posts : 11
    Windows 7
       #1

    DNS server not responding


    Not sure what's going on with my Internet connection through router.
    When I click on signal bar at bottom rt of screen it tells me that signal strength is excellent but I have no Internet connection.
    When I troubleshoot it tells me the primary DNS server is not responding.
    Not sure what's happened to cause this. Internet does work on other office computers. Please help
      My Computer


  2. Posts : 2,726
    Windows 7 Ultimate 64bit
       #2

    Hiya pal
    Any chance you could open a command prompt and type in "ipconfig/all" (without the quotes) :)
      My Computer


  3. Posts : 11
    Windows 7
    Thread Starter
       #3

    I can
      My Computer


  4. Posts : 8,870
    Windows 7 Ult, Windows 8.1 Pro,
       #4

    Owenpga1 said:
    Not sure what's going on with my Internet connection through router.
    When I click on signal bar at bottom rt of screen it tells me that signal strength is excellent but I have no Internet connection.
    When I troubleshoot it tells me the primary DNS server is not responding.
    Not sure what's happened to cause this. Internet does work on other office computers. Please help

    You can usually fix this problem by disabling the "Microsoft Virtual WiFi Miniport Adapter" in Device Manager.

    It tends to stay active after being used so it so needs to be disabled to get DNS working again.
      My Computer


  5. Posts : 11
    Windows 7
    Thread Starter
       #5

    Microsoft Virtual WiFi Miniport Adapter


    Where would i find "Microsoft Virtual WiFi Miniport Adapter" in device manager.
    I didn't see this listed anywhere
      My Computer


  6. Posts : 8,870
    Windows 7 Ult, Windows 8.1 Pro,
       #6

    Owenpga1 said:
    Where would i find "Microsoft Virtual WiFi Miniport Adapter" in device manager.
    I didn't see this listed anywhere

    Assuming that it's been activated, from Device Manager go to "View" then click on "Show Hidden Devices" then open up "Network Adaptors" and see if it's on the list there. If so you can disable it.

    If it's not there you should be able to go into your router's set up page and redefine the DNS server settings. Using Google's DNS usually works well. 8.8.8.8 and 8.8.4.4

    Posting your ipconfig/all here as Pooman suggested is a good idea also. We can see if the DNS is being handled by your router as it should be.
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  7. Posts : 11
    Windows 7
    Thread Starter
       #7

    ipconfig/all


    Microsoft Windows [Version 6.1.7601]
    Copyright (c) 2009 Microsoft Corporation. All rights reserved.

    C:\Users\owenpga>ipconfig/all

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : owenpga-PC
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Hybrid
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : countryclubofmaryland.local

    Ethernet adapter Local Area Connection:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Intel(R) 82579LM Gigabit Network Connecti
    on
    Physical Address. . . . . . . . . : 5C-26-0A-7A-BF-93
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes

    Wireless LAN adapter Wireless Network Connection:

    Connection-specific DNS Suffix . : countryclubofmaryland.local
    Description . . . . . . . . . . . : Intel(R) Centrino(R) Advanced-N 6205
    Physical Address. . . . . . . . . : 08-11-96-23-15-80
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::9dea:4524:5490:7d28%13(Preferred)
    IPv4 Address. . . . . . . . . . . : 192.168.50.102(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Lease Obtained. . . . . . . . . . : Thursday, March 29, 2012 4:56:19 PM
    Lease Expires . . . . . . . . . . : Friday, March 30, 2012 4:56:19 PM
    Default Gateway . . . . . . . . . : 192.168.50.5
    DHCP Server . . . . . . . . . . . : 192.168.50.5
    DHCPv6 IAID . . . . . . . . . . . : 285741462
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-16-E7-3D-D3-08-11-96-23-15-80

    DNS Servers . . . . . . . . . . . : 192.168.50.200
    207.114.0.140
    207.114.0.130
    NetBIOS over Tcpip. . . . . . . . : Enabled

    Ethernet adapter Bluetooth Network Connection:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Bluetooth Device (Personal Area Network)
    Physical Address. . . . . . . . . : 38-59-F9-D9-A7-20
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter isatap.countryclubofmaryland.local:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . : countryclubofmaryland.local
    Description . . . . . . . . . . . : Microsoft ISATAP Adapter
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter isatap.{CD0C9BF8-C655-409E-8ECE-F3B576CA0312}:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter Teredo Tunneling Pseudo-Interface:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter isatap.{BE1E9E13-FED3-49BD-9CA5-3DFDA9DE2322}:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft ISATAP Adapter #3
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    C:\Users\owenpga>^A^A^A
      My Computer


  8. Posts : 8,870
    Windows 7 Ult, Windows 8.1 Pro,
       #8

    Assuming that you couldn't find the Msoft virtual wifi miniport adaptor?

    It looks like you defined your DNS servers in your IPv4 properties window in Windows 7, I see three of them there.

    It usually works best to delete those entries from your IPv4 settings, then go into your routers set up page and define your DNS servers there instead. You can use what ever DNS servers you want, I just posted Googles DNS as an example. You should only need a primary and secondary DNS.

    After you do that your DNS should show up as your default gateway address of 192.168.50.05 which means you are getting the DNS from your router instead.

    If the DNS just needs a good cleaning you can try this next.

    1. Click Start. Type cmd in the Start Search box, and then press ENTER.

    2. At the command prompt, type the following command, and then press ENTER:
    ipconfig /flushdns (there is a space between ipconfig and / )
    It will show the message successfully flushed the DNS resolver cache.

    3. At the command prompt, type the following command, and then press ENTER:
    ipconfig /registerdns (there is a space between ipconfig and / )

    4. At the command prompt, type the following command, and then press ENTER:
    ipconfig /all (there is a space between ipconfig and /)

    The ipconfig /all command displays Windows TCP/IP settings for all your network adapters.
    Last edited by chev65; 29 Mar 2012 at 17:14.
      My Computer


  9. Posts : 9
    Windows 7 Ultimate x64
       #9

    I followed Chev65 advice all went well until I came to the registerdns command. The answer I recieved there was,

    "The requested operation requires elevation."

    Do you have any suggestions?
      My Computer


  10. Posts : 8,870
    Windows 7 Ult, Windows 8.1 Pro,
       #10

    One2OldFart said:
    I followed Chev65 advice all went well until I came to the registerdns command. The answer I recieved there was,

    "The requested operation requires elevation."

    Do you have any suggestions?
    Yes, before you open the command prompt, right click the command prompt icon and choose "run as Admin" which is elevated.
      My Computer


 
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