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Windows 7: DNS server not responding

29 Mar 2012   #1
Owenpga1

Windows 7
 
 
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 System SpecsSystem Spec
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29 Mar 2012   #2
PooMan UK

Windows 7 Ultimate 64bit
 
 

Hiya pal
Any chance you could open a command prompt and type in "ipconfig/all" (without the quotes) :)
My System SpecsSystem Spec
29 Mar 2012   #3
Owenpga1

Windows 7
 
 

I can
My System SpecsSystem Spec
.

29 Mar 2012   #4
chev65

Windows 7 Ult, Windows 8.1 Pro,
 
 

Quote   Quote: Originally Posted by Owenpga1 View Post
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 System SpecsSystem Spec
29 Mar 2012   #5
Owenpga1

Windows 7
 
 
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 System SpecsSystem Spec
29 Mar 2012   #6
chev65

Windows 7 Ult, Windows 8.1 Pro,
 
 

Quote   Quote: Originally Posted by Owenpga1 View Post
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.
My System SpecsSystem Spec
29 Mar 2012   #7
Owenpga1

Windows 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 System SpecsSystem Spec
29 Mar 2012   #8
chev65

Windows 7 Ult, Windows 8.1 Pro,
 
 

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.
My System SpecsSystem Spec
14 Sep 2013   #9
One2OldFart

Windows 7 Ultimate x64
 
 

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 System SpecsSystem Spec
14 Sep 2013   #10
chev65

Windows 7 Ult, Windows 8.1 Pro,
 
 

Quote   Quote: Originally Posted by One2OldFart View Post
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 System SpecsSystem Spec
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