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I have an ip address conflict on my windows 7 laptop. i am sharing a wireless connection with other people. the ip address lease 192.168.1.103 for the network card with the network address 0x90004E0051F4 has been denied by the DHCP server 0.0.0.0 (The DHCP server sent a DHCPNACK message.)How do i resolve this problem?

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Hi Chanel,
This might be a problem because of the below issues,

1. Check whether any MAC Filtering is enabled for any other MAC to this IP Address 192.168.1.103

2. Click on Start Menu
3, Click on Run
4. Type cmd and click OK
5. Now type ipconfig/release and Click Enter
6, You will get disconnected from the internet
7. Once its disaconnected, type ipconfig/renew and click Enter
8. Now check whether u are gettig the same error message(IP Conflict)

Thanks for Contacting Fixya
Regards,
Aysaam

Posted on Apr 02, 2011

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Posted on Jan 02, 2017

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How do i connect my WG302 to my laptop using a console cable?


if Windows
go to dosprompt on p.c or start run cmd <press the enter key>
type in ipconfig <press the enter key>
was the ip address of the laptop 192.168.0.210 with a subnet of 255.255.255.0 ?
note the ip address of the laptop and the subnet mask
If the ip address is not 192.168.0.210 then go into the network settings and set the laptop up with 192.168.0.210 and then make it a static ip address.
go to dosprompt on p.c or start run cmd <press the enter key>
type in ipconfig <press the enter key>
was the ip address of the laptop 192.168.0.210 with a subnet of 255.255.255.0 ? (if not restart the laptop ) and check again
Next question how did you connect the wg302 directly to the laptop was it directly connected or was it through a network switch or network hub. Most likely the Cable router or DSL router has a DCHP server assigning different ip address lease range. You can either change the ip address of the access point device to one in the original current router lease range and assign it as static for the wireless access point device in the dchp lease table or assign the wireless access point with the second ip address as an example 10.0.0.2 and make sure the router dchp server allocates above 10.0.0.20 then temporarily connect router to laptop and temporily set laptop with 192.168.0.210 and then log into access point and change ip address to 10.0.0.2 for wireless access point device and turn off its dchp server. Then change laptop to use dhcp while connected into network hub or network switch with original router and restart laptop wired back into original normal network.

Dec 04, 2014 | NetGear WG302 802.11g ProSafe Wireless...

Tip

How to Share your Internet Connection through laptop's WLAN(Wifi) card?


Every Windows Operating System after Windows 98 can share its Internet Connection using this Technique. Microsoft defines this technique as Internet Connection Sharing (ICS). But setting ICS is very obscure to most of the users. This comes very useful if you live with your roommates and you guys have single internet source like a USB modem Connected to one laptop only. Using Internet Connection Sharing(ICS) that laptop can Broadcast its Internet to other laptops in the room. Technically, the range of a laptop's WLAN adapter is around 20-25 meters. So it can easily handle near by rooms also. This can also be done with a PC having a WLAN card.
To setup and broadcast your internet it is mandatory that you are accessing internet using anything other than Your WLAN card like a USB modem, Ethernet etc. This is because your Wireless adapter(WLAN) will be used for Broadcasting your Internet connection to your friends.
Server laptop:- Laptop with Internet Connection.Client Laptop:- Laptops accessing the internet of server laptop.
Follow the steps to share your internet connection..here it goes:--0b73509.gif
  1. Open the "Control Panel" of the laptop that is accessing Internet and go to "Network and Internet" then "Network and Sharing Center".
  2. On the right side of the "Network and Sharing Center" click the "Change Adapter Settings" and you will see all the available network adapters in your laptop.
  3. Now Right-Click the adapter through which you access internet and click "Properties" option. The properties window will open.
  4. In "properies" Window click the "sharing" tab check "Allow other network user to connect through this computer's Internet connection"97ac799.jpg
  5. In the sharing tab, Select "Home networking connection" type as "Wireless Network Connection" click "OK" and select "Yes" to the Confirmation warning. see above image.
  6. Now Right-Click the "Wireless Network Connection" in "Change Adapter Settings"and Open Its Properties.
  7. In "Wireless Network Connection Properties" Double-click the "Internet Protocol Version 4(TCP/IPv4)" and select the "Use following IP address"
  8. Enter the IP address as "192.168.000.001" and "Subnet mask" as "255.255.255.0"
  9. Leave all other fields blank in Server laptop, which has access to internet.0219162.jpg
  10. Now setup a wireless "ad hoc" computer to computer connection using "setup a new connection or network" in "network and sharing center" and Name it as anything like "Internet_sharing".c2debe7.jpg3a69972.jpg
  11. Now bring other laptops that will use the Shared Internet connection.
  12. Open "Change adapter Setting" (Described in step 2).
  13. In "Change adapter settings" Right-click "wireless Network Adapter" and Click its properties.
  14. In "Wireless Network Connection Properties" Double-click the "Internet Protocol Version 4(TCP/IPv4)" and enter following IP address:-
  15. IP address-"192.168.000.002", Subnet mask "255.255.255.0", Default gateway-"192.168.0.001" and Preferred DNS server: "192.168.000.001".
  16. Use the same step from 11 to 15 to connect other laptops and Increase the IP address by +1. Ex- 192.168.0.3, 192.168.0.4 & so on. Rest of the settings like Default gateway etc will be same on all laptops. Only the server laptop will have blank entries in these settings.
  17. Now connect all the laptop with the Wireless network(ad-hoc) named "Internet-sharing" that you had previously broadcasted in step 10 in server laptop.
  18. Now in the server laptop, disconnect and then reconnect the internet connection(This is a necessary step for Internet Connection sharing(ICS) to work).
  19. Now access internet in all laptops...ENjoy.
Note:- For Advance Users.. this information is necessary only--The IP address of server laptop work as the "Default gateway" and Preferred DNS server of Client laptop and on server laptop these fields are blank. Use same series of IP address as used in the server.


please vote if you found this helpful.. --Abhishek

on Sep 30, 2010 | Computers & Internet

2 Answers

Internet Problem


Networks using manually assigned IP addresses some time encounter problems/conflict when two computers happen to have the same IP address.on win7 go to network sharing center, on the left panel of the window you'll see/click on " change adapter settings" in the that window right click the local area connections and click on properties. in the net work tab click on internet protocol version 4 (TCP/IP4) then click on the properties button below to gain access to the IP Setting then select use the following IP address to alow you modify

May 22, 2013 | Computers & Internet

1 Answer

My router was working fine with my iphone and ipad , now it will not connect and i still have a connection with my ps3


If you reset the router and have not turned off and back on all your devices you probably have conflicting addresses. some versions of ps3 will not connect for some reason unless they have the first ip available on the router.
Turn off your wirelss on your iphone and ipad, turn off the ps3. Reboot the router when it comes back up turn on the ps3 and get a good connection, the enable wireless on your ipad or iphone and get a connection the doe the same with the other.
This will avoid conflicting addresses.
An IP address has a 24 hour lease if you reboot a router it forgets what device had whipch ip address. If you need to reboot your router you need to refresh the ip address of all your devices to avoid conflicting ip's.
In this case I suspect you ipad and iphone are attempting to use the same ip address.

Jan 29, 2013 | SMC Barricade g SMC2804WBR Wireless Router

1 Answer

I have a Netgear DG834G v4. Wireless connection is fine, ISP is fine and Internet via wireless is perfect. Nothing via the LAn ports seems to work. Both XP and Win 7 machines see Lan as an undefined...


DHCP SERVER in Router and DHCP server in Wireless Conflicting - Set WI Fi DHCP router leases to say 192.168.0.10 to 192.168.0.100 and default gateway as 192.168.0.1 and on the router set the router's ip address to 192.168.0.1 make the Wi Fi router address 192,168.0.2 . Set in the router the DHCP address leases to 192.168.0.101 - 192.168.0.254 and default gateway 192.168.0.1 or deactivate one of the dhcp servers and rely on one dhcp server like the routers and then deactivate the wi fi's dhcp server.

Jul 28, 2017 | NetGear DG834G 54 Mbps 802.11g Wireless...

1 Answer

How come the http://192.168.123.254 address isnt working?



Find your computer's IP address : Windows 7, Vista, and XP, using the command prompt

  1. Click Start, and then select All Programs. Note: If this doesn't match what you see, refer to About navigation settings in Windows.
  2. Click Accessories, and then Command Prompt.

  3. At the command prompt, enter: ipconfig The IP address (or IPv4 address, if you are using Windows 7 or Vista) will be a series of numbers following the pattern xxx.xxx.xxx.xxx (i.e., 156.56.27.32).
Note: If you are using PPP with a modem at home, your IP address will change each time you log in.
Windows 7, without using the command prompt
  1. In the system tray, click the network connection icon and select Open Network and Sharing Center.

  2. To view the IP address of a wired connection, click Local Area Connection. To view the IP address of a wireless adapter, click Wireless Network Connection (Network Name).
  3. Click Details... . Your IP address will appear next to "IPv4 Address".
Windows Vista, without using the command prompt
  1. From the Start menu, right-click Network, and then select Properties. This opens the Network and Sharing Center.

  2. To view the IP address of a wired connection, click View Status to the right of Local Area Connection. To view the IP address of a wireless adapter, click View Status to the right of Wireless Network Connection.
  3. Click Details... . Look for the address next to "IPv4 IP Address".
Windows XP, without using the command prompt
  1. From the Start menu, right-click My Network Places, and then click Properties.

  2. To view the IP address of a wired connection, double-click Local Area Connection. To view the IP address of a wireless adapter, double-click Wireless Network Connection.
  3. Click the Support tab, and then click Details... . The window that appears will display the IP address.
Your IP address has to be in the 192.168.123.xxx range



The router must be configured to match your

Internet service. If you do not know your

Internet connection configuration, please

contact your Internet Service Provider (ISP).

By default, the router is pre-configured with

these settings:

• Automatically set IP addresses for

computers on your LAN (connected to the

router's ports 1-4). The router acts as a

server for dynamic host configuration

protocol (DHCP) and assigns IP addresses

in the range 192.168.123.100 through

192.168.123.199

• The default LAN IP address for the router is

192.168.123.254 with a subnet mask of

255.255.255.0

• The Internet service connected to the
router's WAN port uses a dynamic IP

If I could be of further assistance, let me know. If this helps or solves the issue, please rate it and give a testimonial for my response. Happy Holidays!

Thanks, Joe

Dec 26, 2010 | Asante FriendlyNET FR1104-G Wireless...

1 Answer

Laptop wont connect to wireless network but desktop is fine.


Perhaps, it just needed a new IP address. Simply rebooting the computer and resetting the IP Address of the computer took care of the issue.

or

That sounds like symptoms of Manufacturer & Windows drivers conflicting. Try uninstall the Manufacturer Drivers and let the windows ones do the work, and see how that goes down.

Apr 20, 2010 | HP Mini 1000 Netbook

1 Answer

I have a trendnet wireless router tew 432brp, a new hp windows 7 laptop, and old xp laptop and i want to share the connection with my verizon um175 aircard. this has worked for several years with the old...


The router connects computers together . You are using a windows 7 p.c and connecting it to an internet connection via a usb verizon um175 aircard.
I think you need to share the internet connection with the rest of the network and may need to feed the ethernet cable into the feed port of the router. I have not done this before but logically the windows 7 computer would have to act as a gateway to the internet.

http://www.dummies.com/computers/operating-systems/windows-7/how-to-share-an-internet-connection-in-windows-7/

https://www.ibvpn.com/billing/knowledgebase/53/Internet-Connection-Sharing-on-Windows-7.html

Note the default gateway is going to have to be the windows 7 ip address on the other computers
You may need to set the ip address on windows 7 to a static address and then change the dhcp server settings default gateway and also increase the first address to not include the windows 7 ip address or the routers ip address in the lease range for shcp.

Mar 17, 2017 | Trendware TEW-432BRP 54Mbps Wireless...

1 Answer

Wireless internet connection


You haven't specified if the host computer is able to access the internet. Ip Address confict can be one of the reasons why the laptop isnt able to connect and we can have a series of reasons why we have this IP Address conflict - 1) There is no wireless encryption defined. So, we have neighbors connecting to the wireless network causing IP Address conflicts. 2) The laptop is not able to renew the IP Address after the lease expires. This can mostly be resolved by restarting the computer and in certain cases flusing the TCP/IP stack. 3) There is a static IP Address assigned to the laptop in the router's DHCP range which is conflicting with the host computer. I would suggest you may initiate a chat with me or anyone else who has expertise in routers to get this successfully resolved. That would definitely save your time. Good luck

Apr 22, 2007 | HP Pavilion dv8000z Notebook

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