Solved IP Address conflict to DNS to Web connectivity issues

March 17, 2014 at 17:41:04
Specs: Windows 7, 2.0/ 2 gigs of ramof ram
My network has DHCP set to automatic. I checked the DHCP tables, and I even use a program known as "Wireless Network Watcher". No devices that showed up had the same IP address, but Windows was telling me the reason for my internet problem is an IP address conflict.

Then I tried to connect again, and I was told that I could not connect with the DNS server.

So then I used google's DNS servers with 8.8.8.8 and 8.8.4.4 and I was told that I had web connectivity issues.

PS: If I attach my modem directly to my computer the internet works so it is not my ISP or modem


See More: IP Address conflict to DNS to Web connectivity issues

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✔ Best Answer
March 18, 2014 at 08:50:02
Part of your problem may be that you have both the wired and wireless adapter on your PC enabled and connected at the same time. In my experience, Window's doesn't do this very well. If you want to use the wireless adapter, disable the wired adapter and see if the issue doesn't go away.

With regard to the wired/wireless adapters. Your wireless is properly configured for your LAN but the wired connection shows the following information:

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . : ec.rr.com
Description . . . . . . . . . . . : Realtek PCIe FE Family Controller
Physical Address. . . . . . . . . : C8-0A-A9-96-DD-C5
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IPv6 Address. . . . . . . . . . . : 2606:a000:ffc0:1d:64d9:105f:af76:236e(Pre
ferred)
Lease Obtained. . . . . . . . . . : Tuesday, March 18, 2014 10:53:07 AM
Lease Expires . . . . . . . . . . : Monday, March 24, 2014 6:16:38 PM
Link-local IPv6 Address . . . . . : fe80::b4f3:a1fe:3582:b6b8%10(Preferred)
IPv4 Address. . . . . . . . . . . : 65.184.211.xxx(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.254.0
Lease Obtained. . . . . . . . . . : Tuesday, March 18, 2014 10:54:23 AM
Lease Expires . . . . . . . . . . : Wednesday, March 19, 2014 10:28:35 AM
Default Gateway . . . . . . . . . : 65.184.210.1
DHCP Server . . . . . . . . . . . : 142.254.199.93
DHCPv6 IAID . . . . . . . . . . . : 247990953
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-13-55-E1-6E-C8-0A-A9-96-DD-C5

DNS Servers . . . . . . . . . . . : 209.18.47.61
209.18.47.62
NetBIOS over Tcpip. . . . . . . . : Enabled

What exactly is it your wired adapter is connected to?

Lastly, if you're getting a Duplicate IP error message, you should be able to find it in Event Viewer (Start >> "Search programs and files" >> type in "event viewer" and hit "Enter") Once you have Event Viewer open click on "Windows Logs" on the left and search through each section there for Duplicate IP errors. I believe you'll find it in the "System" section. If you do find a dupe IP error message there, please post the message here.

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***



#1
March 17, 2014 at 18:03:17
A little more info. would be useful...

What make and model router.

How many devices are using your wifi?

Is your wifi secured - using an encrypted access key (password)?

Verify you do "not" have "any" ip addresses reserved in your router wifi management. Actually go to that area in wifi management and check.

(edited to correct a couple of speling mystakes and such...)

message edited by trvlr


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#2
March 18, 2014 at 07:02:31
If Windows is reporting an IP conflict then chances are you have one. At least, I've yet to see Windows report one mistakenly (surprisingly enough....lol).

Do you have any non-DHCP clients in your network? If so, ensure their IP's are excluded, reserved or outside the DHCP Scope. This will avoid future conflicts and if this is the root cause of your present problem, will resolve it. Rather than mess with reservations and exclusions, I always use IP's outside the DHCP scope for my static assignments.

Using external DNS server's won't resolve the issue. The issue is internal within your LAN.

The first troubleshooting step will be for you to open a command prompt window (ie: Start >> Run >> type cmd and hit "Enter") and perform the following command:

ipconfig /all

Once you've finished, copy/paste the output into a response on here so we can have a look.

For info on how to copy/paste from a command prompt window click on my name above and read my "how-to" guide titled, "Post the output of ipconfig (version 2)"


Once we see that, we'll be able to move on to the next step.

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***


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#3
March 18, 2014 at 08:21:17
The items connected to my network are my computer, my router, the modem, the printer, and my cell phone. My passwords are encrypted, and I went into the router to check the management before I used the program I downloaded. They all had different addresses.

DHCP Client Table from the router
concerro-PC Wireless 192.168.1.100 70:F1:A1:61:DC:34 1 days, 20:43:51
concerro-PC LAN 192.168.1.101 C8:0A:A9:96:DD:C5 1 days, 23:42:24
android_8d1ffc4639cfe09e LAN 192.168.1.103 40:B0:FA:AD:5B:95 1 days, 15:35:21
LAN 192.168.1.104 00:1A:4B:04
The device with .104 at the end was not assigned a name in the DHCP table.

The android goes to LAN when I am on 3G. If I connect it with the wi-fi it will say wireless instead of LAN.

This is from the program
IP Address Device Name
192.168.1.1 Cisco-Linksys, LLC
192.168.1.100 Lite-on Technology


192.168.1.102 Magicjack LP

192.168.1.104 Hewlett-Packard Company

---------------------
Here is the Ipconfig /all information.

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

C:\Users\The Mechanic>ipconfig /all

Windows IP Configuration

Host Name . . . . . . . . . . . . : concerro-PC
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : ec.rr.com

Wireless LAN adapter Wireless Network Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Realtek RTL8191SE 802.11b/g/n WiFi Adapte
r
Physical Address. . . . . . . . . : 70-F1-A1-61-DC-34
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IPv6 Address. . . . . . . . . . . : 2606:a000:1407:4003:7943:32e0:a4cb:79fd(P
referred)
Temporary IPv6 Address. . . . . . : 2606:a000:1407:4003:d1d5:7d9b:30bf:6073(P
referred)
Link-local IPv6 Address . . . . . : fe80::7943:32e0:a4cb:79fd%11(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.1.100(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Monday, March 17, 2014 8:31:48 PM
Lease Expires . . . . . . . . . . : Thursday, March 20, 2014 7:53:00 AM
Default Gateway . . . . . . . . . : 192.168.1.1
DHCP Server . . . . . . . . . . . : 192.168.1.1
DHCPv6 IAID . . . . . . . . . . . : 326168993
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-13-55-E1-6E-C8-0A-A9-96-DD-C5

DNS Servers . . . . . . . . . . . : 192.168.1.1
NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . : ec.rr.com
Description . . . . . . . . . . . : Realtek PCIe FE Family Controller
Physical Address. . . . . . . . . : C8-0A-A9-96-DD-C5
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IPv6 Address. . . . . . . . . . . : 2606:a000:ffc0:1d:64d9:105f:af76:236e(Pre
ferred)
Lease Obtained. . . . . . . . . . : Tuesday, March 18, 2014 10:53:07 AM
Lease Expires . . . . . . . . . . : Monday, March 24, 2014 6:16:38 PM
Link-local IPv6 Address . . . . . : fe80::b4f3:a1fe:3582:b6b8%10(Preferred)
IPv4 Address. . . . . . . . . . . : 65.184.211.xxx(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.254.0
Lease Obtained. . . . . . . . . . : Tuesday, March 18, 2014 10:54:23 AM
Lease Expires . . . . . . . . . . : Wednesday, March 19, 2014 10:28:35 AM
Default Gateway . . . . . . . . . : 65.184.210.1
DHCP Server . . . . . . . . . . . : 142.254.199.93
DHCPv6 IAID . . . . . . . . . . . : 247990953
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-13-55-E1-6E-C8-0A-A9-96-DD-C5

DNS Servers . . . . . . . . . . . : 209.18.47.61
209.18.47.62
NetBIOS over Tcpip. . . . . . . . : Enabled

Tunnel adapter isatap.{AD82D85D-752F-4EC2-8A37-7147FB16E113}:

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

Tunnel adapter Reusable ISATAP Interface {8B20BF80-503A-4A57-89B8-70D6F96F3B23}:


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 isatap.ec.rr.com:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . : ec.rr.com
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #3
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 . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
IPv6 Address. . . . . . . . . . . : 2001:0:5ef5:79fd:481:263d:be47:2c96(Prefe
rred)
Link-local IPv6 Address . . . . . : fe80::481:263d:be47:2c96%21(Preferred)
Default Gateway . . . . . . . . . :
NetBIOS over Tcpip. . . . . . . . : Disabled

edited by moderator: change external IP


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Related Solutions

#4
March 18, 2014 at 08:50:02
✔ Best Answer
Part of your problem may be that you have both the wired and wireless adapter on your PC enabled and connected at the same time. In my experience, Window's doesn't do this very well. If you want to use the wireless adapter, disable the wired adapter and see if the issue doesn't go away.

With regard to the wired/wireless adapters. Your wireless is properly configured for your LAN but the wired connection shows the following information:

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . : ec.rr.com
Description . . . . . . . . . . . : Realtek PCIe FE Family Controller
Physical Address. . . . . . . . . : C8-0A-A9-96-DD-C5
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IPv6 Address. . . . . . . . . . . : 2606:a000:ffc0:1d:64d9:105f:af76:236e(Pre
ferred)
Lease Obtained. . . . . . . . . . : Tuesday, March 18, 2014 10:53:07 AM
Lease Expires . . . . . . . . . . : Monday, March 24, 2014 6:16:38 PM
Link-local IPv6 Address . . . . . : fe80::b4f3:a1fe:3582:b6b8%10(Preferred)
IPv4 Address. . . . . . . . . . . : 65.184.211.xxx(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.254.0
Lease Obtained. . . . . . . . . . : Tuesday, March 18, 2014 10:54:23 AM
Lease Expires . . . . . . . . . . : Wednesday, March 19, 2014 10:28:35 AM
Default Gateway . . . . . . . . . : 65.184.210.1
DHCP Server . . . . . . . . . . . : 142.254.199.93
DHCPv6 IAID . . . . . . . . . . . : 247990953
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-13-55-E1-6E-C8-0A-A9-96-DD-C5

DNS Servers . . . . . . . . . . . : 209.18.47.61
209.18.47.62
NetBIOS over Tcpip. . . . . . . . : Enabled

What exactly is it your wired adapter is connected to?

Lastly, if you're getting a Duplicate IP error message, you should be able to find it in Event Viewer (Start >> "Search programs and files" >> type in "event viewer" and hit "Enter") Once you have Event Viewer open click on "Windows Logs" on the left and search through each section there for Duplicate IP errors. I believe you'll find it in the "System" section. If you do find a dupe IP error message there, please post the message here.

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***


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#5
March 20, 2014 at 08:50:29
When I first had the IP address conflict my wired adapter was not connected to anything. Later on I had the a LAN cable from from the laptop to the wireless router.

I might try booting up in Linux to see if I have the same problem.


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#6
March 20, 2014 at 08:53:16
Did you check for error messages relating to an IP conflict in Event Viewer?

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***


Report •

#7
March 20, 2014 at 09:29:47
The problem is fixed now. I reset the router to factory settings and unplugged the modem, and plugged it back in, but I did find an IP address error.
-------------------------------------------
The system detected an address conflict for IP address 0.0.0.0 with the system having network hardware address 00-00-00-00-00-00. Network operations on this system may be disrupted as a result.
-------------------------------------------------
Thanks for all of your help.

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#8
March 20, 2014 at 09:58:52
Thank you for posting back - always appreciated by everyone here.

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