Wireless :: Ip Address Conflict?

Apr 22, 2011

When I sign on the internet, I get a Windows System Error - "There is an IP address conflict with another system on the network." I went to command prompt and typed "ipconfig /renew" but the response was "No operation can be performed on Local Area Connection while it has media disconnected".

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D-Link DIR-601 :: Wireless Connection Causes Ip-address Conflict

Jan 6, 2012

I am having issues with wireless connections with my laptop but I can connect with my phones and iPod, however wired connections work perfectly.

The moment I attempt a wireless connection I receive continuous error messages saying that there is an ip-address conflict with another system on the network and i lose all internet access.I have already tried adding a dhcp reservation?

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Linksys Wireless Router :: IP Address Conflict Using Wrvs4400n?

Jan 24, 2013

I get a "IP address conflict" message on my wireless network. Using a WRVS4400n wireless router with the latest firmware that is set to PPoE. Motorola 336 dsl modem is set to bridge mode. My network has 2 computers attached: hardwire desktop and wireless connection to laptop. When I contacted ATT support, they said the problem is in the wireless modem. Are there some settings in the WRVS4400n that must be set to insure that each computer gets a different IP address?

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Wireless Network Not Working But Wired Fine (IP Address Conflict)

Feb 19, 2013

Nothing seems to be able to connect to my wireless network. It seems to have occurred after I installed a new copy of windows 7 onto my sister's desktop. A message appeared saying we have the same ip address. I've tried renewing our ip address on both desktop but it won't give us new ip address for some reason.

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Netgear WNR612 Wireless Router - Network Error Message Saying Windows Has Detected IP Address Conflict

Jan 5, 2013

I have a Netgear WNR612 wireless router, which worked fine for a few weeks. Then something happened and I can't keep the connection anymore. It happened right after I used iTunes to update my iPhone, perhaps a coincidence, but I'm mentioning that just in case. Internet still works fine with ethernet cable straight from the computer, only the wireless connection doesn't work. This happened about a month ago and I haven't been at home much to fix the problem. I have turned off and unplugged everything for several days at a time while gone. I get a Network Error message saying, Windows has detected an IP address conflict. I have tried restoring the router back to factory settings and reinstalling the wireless card. I have tried changing the IP address settings both in the Network and Sharing Center and the router admin page. What I think I should do is change the IP address in Command Prompt, but when I type "ipconfig /release", it says "No operation can be performed on Wireless Network Connection 2 while it has its media disconnected" and the same for Local Area Connection. I don't understand what this means, because there is a wireless key in my keyboard and there is a white light (not orange) like there should be. Also in the Network and Sharing Center, I can see that the connections are enabled.

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Windows 7 IP Address Conflict With Itself?

Jan 29, 2013

I've got a wireless network, consisting of two Windows 7 PCs, a wireless printer, an Android tablet and an iPhone. The PCs are always on the network; the other devices only connect occasionally. The router is a Dynamode R-ADSL-C4-W-G1. IP addresses are assigned by DHCP, and both PCs are set up to get an IP address automatically.Now and again, I get an error message on my PC, saying Windows has detected an IP address conflict on the network. I looked in the System Event Log, and found the following message: Quote:The system detected an address conflict for IP address with the system having network hardware address [hex number here]. Network operations on this system may be disrupted as a result.

When I checked in the router settings, I found had been assigned to the other PC, which also has the hardware address given in the error message - I'm not sure how that constitutes a conflict!When I get this error message, I never encounter any connectivity problems - i.e. both machines can still access the internet.

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How To Prevent Same Ip Address Range Conflict

Aug 5, 2011

I'm trying to perform ping to another network segment using nat to those devices but the ipaddress i assigned are the same as the segment i am trying to monitor is there anyway to overcome this?

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IP Address Conflict With Another System On Network

Oct 26, 2012

I've been getting a popup error message for about a week:"There is an ip address conflict with aother system on the network". This is only for 2 desktop PCs with wired ethernet connections. Wireless devices are fine with no error message. The wired LAN PCs basically lose all network capability. Reboot fixed it, but it returned every time it was rebooted.I have a Virgin Media Superhub with another router configured as an access point. To cut a long story short, after trying to reset everything, re-installing network adapters & swapping ports, I decided to set the Superhub to Modem Mode, and re-configure the access point router to act as a standard wireless router. In other words renewing the whole network's LAN IP addresses.I now don't lose network capability, but the error message is still appearing on both wired LAN PCs. I use the Fing app on my android phone which lists IP addresses for all devices on the network, wired and wifi, and no 2 addresses are the same, which suggests that DNS is doing its job.

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Windows Has Detected An IP Address Conflict?

Mar 20, 2011

I have been having router/wireless internet issues since my internet provider had to come out and fix the outside lines. Ever since then I get the Network Error: "Windows has detected and IP address conflict" whenever my laptop and my wife's try to use the wireless at the same time. I have tried release/renew of my IP address and also reseting my router to factory settings to no avail.

Computer info and ipconfig/all:
Tech Support Guy System Info Utility version
OS Version: Microsoft Windows 7 Home Premium , 64 bit


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Windows 7 Has Detected IP Address Conflict

Oct 19, 2012

There are about 3 laptops, one desktop, and 2 gaming consoles that are using the router. Everything connects fine expect the one laptop. It is an ASUS laptop running Windows 7. Whenever the laptop is going to connect to the internet every other device using the internet is stalled for a few moments, then reconnects. The computers then give the IP Address Conflict message. This is extremely frustrating. Sometimes it happens when people are accessing the Web for college assignments, and sometimes gaming, which is annoying to get disconnected from. I have tried to release / renew the IP, but it tells me it can't complete the process.

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Ip Address Conflict Random Occurrences?

Mar 17, 2013

I have a laptop running xp on a home network using cisco-linksys wrt310n router. A couple months ago I added another laptop running win7 to the network, and since then I have been getting ip address conflict errors once or twice a day. Both machines are set to obtain ip address automatically

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IP Address Conflict Message On One Of Our Computers

Jun 1, 2011

here where I work we are having an issue with IP Address conflicts. We are not sure exactly why, though. We have only had it happen 2-3 times so far, but this has been over the past week or so, and we would like to get it resolved. Here is what is happening: Last week we were getting an "IP Address conflict" message on one of our computers. It had received from our DCHP server, so we switched it to a static IP address up beyond our DHCP range. We then tried pinging the address with the conflict, but got nothing. We figured it was some device that had a static address, so on the DHCP server we reserved it to a non-existent mac address so it wouldn't hand that one out again. This wasn't a problem, since it was an isolated incident.

Since then we have tried periodically pinging to see if there is actually a device using that address, but have gotten no replies. Since then we have had another one or two times where this has happened, but with different IP addresses. We went around and checked a couple of different wireless routers that we had deployed, but the DHCP had been disabled on all of them (but then again, the issue came up just recently, while the routers have been out there for months).

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Windows IP Address Conflict With HTC Phone

May 18, 2011

I have recently started getting random 'Windows System Error- There is an IP conflict' blah blah blah messages on my PC, this only seems to happen when I also have the wireless switched on on my HTC Desire phone.I have done the usual checks and everything in the house, that is connecting to the wireless (2 phones and a laptop) is on a different IP address so as far as I can see there is no actual conflict.I have a Netgear WPN824v2 Router with the main PC connected to it. Sometimes it goes for ages without doing it or I can get one after the other, sometimes the PC drops it's internet connection altogether.

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Internet Connection Dropping Due To Ip Address Conflict?

Jun 17, 2012

This has been happening for a few months and I have had to reset the router every time and it usually works. I have 3 laptops, normally 2 are used and a roku streaming player connected to the tv. Both laptops are on windows 7 and sometimes the wifi suddenly stops working [sometimes only stops for some devices] even though i am still connected to the my router. Some times, a popup comes up that says that windows has detected an ip address conflict, so I think that that is the problem, but when I try to do ip/release, renew, it says that the media is disconnected to wireless network connection 2 even while i can access the internet.

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Ip Address Conflict Between Desktop And Wifi Router

Aug 1, 2012

My neighbour n myself are using a shared internet connection. The modem is situated in his house and I have connected to that modem using a LAN cable, which comes to my house. That LAN cable goes into my WiFi router (through which I use the internet connection). I use a Lap and my neighbour a Desktop, he's receiving a "IP address conflict error" in his system, due to which his internet connection is getting disrupted. If I don't use my Wifi router and connect directly through the LAN cable he does not face any problem. But I need my router back?

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Asus X53E Laptop Saying About IP Address Conflict?

May 26, 2012

My Asus X53E laptop says I have a conflicting IP address. I should be the only computer on my network and able to access my internet. I have had my credit used up before but Telstra said this isn't possible. How can I stop any neighbour or anyone else accessing my laptop and internet

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DG834PN - IP Address Conflict With Netgear Router?

Feb 4, 2011

I have a Netgear DG834PN Router. Connected to it usually are 2-3 laptops (XP, Vista, 7) wirelessly, a Xbox 360 and Win 7 PC via cables, a wireless printer and often an iPod touch, however PS3s, mobile phones etc are connected occasionally.

It had been functionally normally.until we changed ISP after ours was taken over (we didn't change but the provider obviously now has). However, since then (1st Feb) we've been having connection issues, probably an IP address conflict where items can access the router but not the internet.

The iPod and Xbox sometimes don't connect, as do the laptops often after been powered up from a sleep. Yesterday, when powering up one of the laptops, I got an IP address conflict message. Restarting the router sometimes works, but mostly it allows one device on and not another.

The printer has a static IP address ( that I had to set up to get it working, but this has been active for months now without issue. I've had a look in the router settings and it's set up for DHCP as default with IP addresses from to so I don't understand why it has this issue suddenly. I had a look at the connected devices list, and everything appeared to have its own IP address.

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Broadband :: DSL Modem Connection Giving IP Address Conflict?

Feb 5, 2012

im recieving ip conflict adress error i have an dsl modem and its my individual i ave not share a connection with anyone.and whenever i recieved this error my net works zero

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PC Won't Recognize Network / Windows Has Detected IP Address Conflict

Jan 17, 2011

basically i have a desktop computer which i hook up directly to the router , anyway its coming up as an un identified network on network and sharing area , and when i select "connect to a network it only shows a PPoE Connection . I tried replugging the ethernet cable and it comes up an error message "windows has detected an IP address conflct"

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WrtG52 Router Windows Has Detected An IP Address Conflict

Apr 30, 2011

I am getting a window message which is saying ''Window has detected an IP address conflict. there is another pc on this network that is using the same Ip address.

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Cisco Switching/Routing :: 2960 / 3750 - IP Address Conflict?

Feb 7, 2012

I have switch 2960 and router that connect with one interface to that switch. the link is trunk and Router function is inter vlan routing between 4 vlan. This netwrok has only one ip address space that is and work without problem. We connect  cisco switch 2960 with optic link to another switch that in stack 3750 which configured as trunk link and allowed only 3 vlan between them. In the other side netwrok which consist the switch 3750 we have different subnet ip address that switch working in layer 3 too. the problem is that when I permit vlan 210 in the switch 2960 only layer 2 between this switch and the 3750 in network that consist th ip address devices, if I disconnect and then connect pc to network he says that he has ip conflict and in the log  he show mac address of router that has vlan 210 subinterface configured with 10.10.2./24 subnet. But how I gibe back vlan 210 from permited  vlan in trunk  devices start normaly working. If I again put vlan 210 to permit vlan in that trunk  devices again said that there are conflict  ip address and show mac address vlan 210 router subinterface.

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Linksys Wireless Router :: Wrt54gc Ver2 Has An IP Conflict?

Feb 11, 2013

I have just got viasat internet from England to replace the local internet here in Spain. I believe that My router was programmed to the old internet and wont recognize my new modem. I have tried live chat and got guided thru a few things and established an IP conflict, but lost contact before we found a solution.

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Cisco Wireless :: 5508 - WLAN Controller Ip Conflict

Dec 12, 2011

We’ve recently installed a 5508 w LAN controller for my organization wireless network and each time devices connect to this wireless network they receive an ip conflict error. All devices conflict with the ip address of IP address with mac address 00-00-00-00-00-00.

All devices event viewer has this TCP error: “The system detected an address conflict for IP address with the system having network hardware address 00-00-00-00-00-00. Network operations on this system may be disrupted as a result.” We previously experienced the same ip conflict with 12000 w LAN network that he had used as proof of concept.

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Belkin F5D8236 Router - Wireless Network Settings Conflict?

Dec 20, 2012

I have a Belkin N Wireless Router Model F5D8236, which has served my laptop with wireless and my wifes desktop computer through a ethernet cable for the last year.Recently we had to move her computer to another room so I got a Usb Wireless adapterNow when I try to connect her desktop to the network it says the settings do not match, or when prompeted for the PSK, it says its wrong, even though I'm dead sure I put it in right.I've tried transferring a copy of the settings with a flash drive, I tried resetting the router a dozen times, and all the wp2 settings.The USB adapter works, because when I turn the security feature off on the router, suddenly it can connect to the network.

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IP Conflict With Daisy Chained Netgear CGD24G Wired / Wireless Cable Modem

Oct 15, 2012

I'm attempting to connect multiple computers, laptops and printers to the same LAN. I currently have the switch daisy chained to the modem. I'm having issues with conflicting IP addresses and wireless access. I think I have to create static IP addresses but don't know which nor how.The hardware I'm seeking to have on one LAN:

- Netgear CGD24G Cable Modem from Time Warner
- Netgear GS116E un-managed switch
- iMac OSX 10.8.x
- Dell PC desktop, Windows 7
- Sony Vaio PC desktop, Windows XP
- Dell PC desktop, Windows XP
- Sony Vaio laptop, Windows 7 Pro
- MacAir OSX 10.8.x
- MacBook Pro OSX (not sure which OS version)
- HP JetDirect 300x Print Serve (hooked up to HP LaserJet 2300)
- Epson Artisan 835
- Netgear Universal Adapter for Home Entertainment (SAVB5004)
- Netgear Powerline 500 Nano
- Apple iPhones (4 of these)
- Apple iPad

Several of these can work wirelessly, though I prefer wired whenever possible.I have been getting IP address conflict notices as well as the wireless signal not being received on some of the wireless capable devices, which seems to be random but it could be that I just don't know enough to recognize a pattern. I believe the devices are all set to automatic assignment of IP addresses.What is the correct way to daisy chain the cable modem and switch?What is the correct protocol for assignment of IP addresses in order to avoid IP conflict?Why does my wireless drop on some of the wireless-capable devices (such as the iMac, MacAir or Sony laptop)?

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UDP Packet Conflict

Jul 28, 2011

In application udp port listening with 3330 i am sending udp request from port to that is same port in the same machine, application works fine with udp sending and receiving also fine, for clarification. s there any conflicts in the communication ?

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Slow Internet Due To An Ip Conflict

Apr 16, 2011

A couple of days ago my internet was working fine at a speed of around 5mps, I then received a message informing me of an ip conflict, since then my internet has really slowed down to 0.12mbs.

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Protocols / Routing :: IP Conflict Through LAN

Jan 4, 2012

Problem with a conflicting IP address. Basically on a normal running day my wireless is switched on and connected perfect to my internet, however if i want to download any large files i plug my Ethernet to my laptop and disable the wireless from my laptop, instantly then the LAN connection kicks in and im on the internet again as i find download speeds are faster through a LAN. However today my wireless is fine but the second i switch to LAN the ! symbol appears and a message says their is an IP conflict.

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Cannot Connect To Internet - IP Conflict?

Jan 22, 2012

i cant connect to the internet every time i open my laptop. so i have to disable the connection first and then diagnose it to connect to the internet. Pop ups about IP conflict sometimes occur.. what should i do? i already tried ip/release and ip/renew but it didn't work..

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Can IP Conflict Cause Network For Computers Other Than Devices That Have Same IP

Jul 25, 2012

Can an IP conflict cause network issues for computers other than the devices that have the same IP? I have resolved an issue where someone was testing a device on our network and assigned a static IP that was already in use by one of our printers. Specifically, I am curious if the IP conflict could have caused issues with mapped network drives for other computers. I just seemed to have network gremlins for the 2 days of the IP conflict.

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Cisco DHCP Conflict Log Filling Up?

Mar 15, 2011

I have a Cisco 3750 running DHCP. We have a lot of guest users on the network, so the DHCP conflict table fills up quickly, and when it does, users can not get on the wireless network. I have to go in and clear the DHCP conflict log. (clear ip dhcp conflict *) and the problem is resolved. I see in the Cisco documentation if you don't have a DHCP database agent configured you should disable that log. I just want to make sure what the steps are and the ramifications are of disabling that log. Would IP address's still be freed up to use on the network? It also said about enabling 'ip dhcp ping' so DHCP will ping the address first to see if it's available.

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Internet Intermittently Goes Down / DNS And IP Conflict Errors

Jul 10, 2012

[code] Whenever I am browsing online, every once in a while the internet just cuts out. It still says I am connected to my wifi network, but there is "limited or no connectivity." Whenever it happens, everything on the network loses its internet at the same time. In the household, there is one PC (mine), one Mac (my wife's), one iPod touch, and 2 iPhones that all connect to the wifi. The vast majority of the time, when this problem occurs, simply unplugging the router and then plugging it back in fixes the issue.Sometimes however things are different. Especially lately, I sometimes get an "IP conflict" error message. It says another device on the network is using the same IP address. Sometimes with this error simply unplugging and replugging in the router works. Sometimes the router has to be reset twice before things start working again with this error. The error doesn't happen every time the disconnect occurs, but it seems to be getting more frequent lately.Sometimes the disconnect happens when I am playing an online game that requires a constant connection to the internet. Sometimes this goes as usual, where a single router reset fixes the problem. However, sometimes this situation gets more complicated. One game in particular (League of Legends, if it matters) has this problem all of the time. When the internet disconnects while this game is playing, I do not get the "limited or no internet" warning. Instead, the computer seems to think that it is connected, and that the internet is working.

During this scenario, resetting the router once is never enough. After resetting once, the wifi reconnects and now it realizes something is wrong. After the first reset, the computer seems to "realize" something is wrong after all, and I am connected to the network but this time with the "limited or no internet" warning. A second router reset after this usually fixes the problem.Last night the worst disconnect happened yet. It was in the middle of a game, and the internet cut out, with no warning on the network. After one router reset, the wifi network reconnected immediately with an "IP address conflict" error, and then I was connected with "limited or no internet" on the network. I did the second router reset as usually required, but nothing happened. After a second and a third reset, there was still a permanent "limited or no internet" warning.I tried hardlining in directly to the modem and there was still no internet. Running the network diagnostic on my laptop fixed it however and I was connected to the internet. However, wifi still would not work, even after trying the diagnostic again. Running the diagnostic came up with an error that the DNS server was not responding and so nothing could be done.This time I reset everything. Unplugged both the router and the modem and left them unplugged for 30 minutes. When I turned everything else on again, same issue. Connected to the wifi network, but "limited or no internet." I unplugged everything again, left them overnight, and this morning after plugging everything back in the internet was back.A few final points I think might be relevant:

1) When checking the system event logs, it's usually a DNS error that I get (see event logs, 1st attachment).
2) This disconnect error seems to be more prevalent when more devices are on the network. As I said, they have gotten more frequent lately, especially the IP conflict warnings, since the 2 iPhones were added a few weeks ago. 5 months ago when it was only my PC on the network, these issues were practically non-existent.
3) It's a Belkin wireless g-plus router. Model # F5D7231-4 version 1213. It is an older router.
4) This has been happening for almost a year, but just recently gotten so bad I have to get this fixed, especially after last nights that could not be reset no matter what.
5) I'm not sure the disconnects have ever happened why the PC is not connected. That may not be relevant however, because my PC is almost always on since I work from home, while the iPhones, iPod touch, and my wife's Mac are only connected periodically.
6) This error has occurred while my PC is the only device connected to the wifi network, but it seems much less frequent.
7) The time the error seems most likely to occur is when another device connects to the network, such as when my wife first gets home from work. This is not exclusive however, and the DC's can happen at any time.

I've seen that people want ping tests and ipconfig /all tests so I will post mine. I will edit my post with the same tests done the next time this dc happens. I've also included a screenshot of that xirrus wifi program. [code]

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Network Multiple Routers - IP Conflict?

Mar 7, 2011

I have two Netgear routers (N150 and DG834) and want to set them up so that in my office (external to the house) I have wired internet connection and in the house wireless, the office is too far away to run the wireless for the house there. The router in the office is connected to the ADSL line with the router in the house connected to it via a network cable.?I have disabled wireless on the office router however when i try to run both routers together I get an IP Address Conflict, I know I need to change the IP address so that they don't conflict but when I have tried this it hasn't worked and I have had to reset the router to the able to access it.

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