Possible solution for unidentified network access

Hi! i did 2 installation of Windows 7 (1 clean and other upgrade) both resulting in "unidentified network access". Looked all over the internet for solution and tried all of them but none worked. I am having Realtek RTL8139/810x Family Fast Ethernet NIC. In the end after almost giving up all hope and possible return to vista, i tried the following

1.Right Clicked Local Area Connection
2.Clicked Configure
3.Advanced Tab
4.Highlighted Network Address and changed value by entering random 12 alphanumeric characters (i used 02EF22FD2310 from the top of my mind)
5. Click OK

and whoala immediately got connected to the net

Below is the ipconfig /all output before it got solved

Windows IP Configuration
Host Name . . . . . . . . . . . . : HomePC
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : lan
Ethernet adapter Local Area Connection:
Connection-specific DNS Suffix . : lan
Description . . . . . . . . . . . : Realtek RTL8139/810x Family Fast Ethernet NIC
Physical Address. . . . . . . . . : 00-00-00-00-00-00
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IPv4 Address. . . . . . . . . . . : 192.168.1.66(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Wednesday, June 10, 2009 6:04:01 AM
Lease Expires . . . . . . . . . . : Thursday, June 11, 2009 6:04:00 AM
Default Gateway . . . . . . . . . : 192.168.1.254
DHCP Server . . . . . . . . . . . : 192.168.1.254
DNS Servers . . . . . . . . . . . : 192.168.1.254
NetBIOS over Tcpip. . . . . . . . : Enabled
Tunnel adapter isatap.lan:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . : lan
Description . . . . . . . . . . . : Microsoft ISATAP Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes


After trying the above solution the following is the output

Windows IP Configuration
Host Name . . . . . . . . . . . . : HomePC
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : lan
Ethernet adapter Local Area Connection:
Connection-specific DNS Suffix . : lan
Description . . . . . . . . . . . : Realtek RTL8139/810x Family Fast Ethernet NIC
Physical Address. . . . . . . . . : 02-EF-22-FD-23-10
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::a5e1:2458:15b7:1160%17(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.1.64(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Wednesday, June 10, 2009 6:40:53 PM
Lease Expires . . . . . . . . . . : Thursday, June 11, 2009 6:40:53 PM
Default Gateway . . . . . . . . . : 192.168.1.254
DHCP Server . . . . . . . . . . . : 192.168.1.254
DHCPv6 IAID . . . . . . . . . . . : 285212672
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-11-BB-BE-CC-00-00-00-00-00-00
DNS Servers . . . . . . . . . . . : 192.168.1.254
NetBIOS over Tcpip. . . . . . . . : Disabled
Tunnel adapter isatap.lan:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . : lan
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:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Teredo Tunneling Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
IPv6 Address. . . . . . . . . . . : 2001:0:4137:9e50:34a0:3f6e:c169:32d9(Preferred)
Link-local IPv6 Address . . . . . : fe80::34a0:3f6e:c169:32d9%20(Preferred)
Default Gateway . . . . . . . . . : ::
NetBIOS over Tcpip. . . . . . . . : Disabled


Hope this will solve your internet access problem

Cheers

I ran into this on a second adapter after a fresh 7(64) installation. I read your solution, omar, and by jove it worked. thank you, sir. i used the numbers from your post, btw I thought i would confirm, since this is rather wonky behavior and could have many people scratching their heads for hours.

You should also state in the post that any letters used in the 12 alpha-numeric code shouln't go above the letter 'F'. So letters can range from A to F in otherwords.

Am glad it's working. Your right Generator. Thanks

lol i have seen this many things have never really thought about chaning the network card mac address LOL

dont know why entering the binary phony mac address would fix this, cuz thats what you coincidentally did - all the while in the first setup, it looks like you had IPv6 disabled, and it re-enabled afterwards. Basically, in its buggerness, it looks as tho you have done something like a "clone mac address". I'm going to go out on a limb, and depending on what all you do with your pc, adpater, and how many adapters one would be running at the same time, you may run into problems. You may still run into an issue down the road even with the 1 adapter.

So in "theory" that adapter has TWO mac addresses....... things that make you go hmmmm. So possibly in another theory/brainstorm with this scenario, why couldnt you clone the mac address of your router, then hook that adapter/mac to a loop, or in other words, manage traffic per the router mac, via the clone adapter mac. Funky, and probly not possible, but it just makes one think that this would turn more problems later, rather more than answers.

I also want to say that the disabling of the IPv6 could have been a factor of play in in this scenario. Also the fact that you had your gateway configured as 192.168.1.254, is that your router ip, and how is your network setup exactly, how many routers?

Have you tried running static versus dhcp?

Hi Digger,
Yea my router ip is 192.168.1.254. I've just got 1 router. I did try running static vs. DHCP but it didn't working. With regards to disabling the ipv6. Well... I was trying all possible solution then finally tried the phony mac address which solved my problem. Later i enabled ipv6 to ensure the problem doesn't recur. So in the end i concluded that if ipv6 is enabled or disabled didn't matter on my m/c.
So far since the solution, i've not encountered any network error nor has it effected the performance.

I know it's strange but it works.

I tried this, but it did not work for me.
Good find though.

'Just throwing my two cents in.

what does it mean when you change the value of your network address??

Yupper: Same problem upgrading in place from Vista HP to W7HP and this fixed it.

THANK YOU!!!!!

Ted

can some one help me please, i don't see the advance tab,


here is a screen shot:

http://img252.imageshack.us/img252/1095/screenshotc.jpg

I cannot believe it, but this actually worked. Thanks a bunch.

For those still having trouble I recommend you do the following:

1. Follow Omar's original post.
2. Run: msconfig
3. Go to services
4. uncheck Bonjour service and apply
5. Restart
6. If there is still a problem
7. Repeat Omar's original post again
8. restart
9. If it works, start conspiracy theory as to why Apple is setting your default gateway to 0.0.0.0
10. If it doesn't - find another solution

It Works!

@ Thread starter:

You, sir, are officially my new hero. My internet has been being screwy ever since I upgraded to Windows 7 and I could never figure out how to solve it beyond just sitting around waiting for the internet to randomly start working again! Your solution fixed my problem and I just wanted to let you know what a big help you were

eltrutgnik said:

can some one help me please, i don't see the advance tab,


here is a screen shot:

http://img252.imageshack.us/img252/1095/screenshotc.jpg

Click to expand...

In the Network & Sharing Center window, click on "Change adapter settings". From there, right-click "Local Area Connection", go to "Properties", then click "Configure" in the window that comes up. From there, you can follow the thread starter's instructions

THANK YOU DEAR LORD!

This actually saved me from all the hussle of reverting back to Vista.
I spent about 3 days !!! trying everything !!! EVERYTHING!!! reconfigured modem.. called my isp... changed around my routers... my win7 PC just didn't wanted to connect to internet...
I could see all the pc's in my network (LAN), but no net connection, bloody hell...

Then I stumbled upon this post... and voila! here I am, surfing the net... lol ...

My "Network Address" field was displaying "Value: 0000000000000000".
I changed it with the random numbers the dude in first post used, and it worked!!! IT WORKED!!!

don't know how, don't know why, miracle or not, i don't care... but thank you for posting this!

Still Not Working

Hey Guys,

Unfortunitely, I cannot share the success. This didn't work for me. I do not have a Bonjour service to uncheck in the MSconfig but I followed the other advice. If anyone has more advice, I would appreciate it.

Just wanted to thank the original poster, this fixed my problems as well.

I had the unidentified network error as well.

What caused my initial problem was, my Tosh was on standby hooked into the home network. I am assuming it was in some kind of download or update state when my brother disconnected the ethernet cable and plugged it into another gateway laptop xp.

This wreaked havoc on both laptops. I got the new Tosh back online buy putting 12 zeros in the network address. 000000000000

It took, 7 made a home network and gave me a PW.

My GF is happy which means IM HAPPY> lol



MUCH THANKS TO THIS FORUM AND THE OP FOR SHARING HIS SUCCESS.

Is there something different about Windows 7 Pro???

Hello all,

I am having the same exact problem with my Dell laptop always seeing the home network as "unidentified Public network" and either no internet access or at least very limited. It probably hasn't worked two hours in the past week. However, I also have two desktop machines (Dell 420 and Dell 430) and both of them are working fine and always seeing the home network just like they are supposed to and both have great internet access. They all have new, clean installations of Win 7 Pro. The laptop (the one that I am having problems with) was the first one that I upgraded, when the other two desktop machines were still on XP Pro and Vista.......but, I doubt that had much to do with it.

Ok, so my question.........either Win 7 PRO is a little bit different from what you all are describing or I am the dumbest guy on this forum. I keep trying to click the buttons and get to the same places that you all mention and I just don't seem to see the same things or understand where I am to change the network address. My screen does look like the screenshot that I saw under one of the replies in this thread, but I just don't seem to see how to change anything. I have been scouring the internet for a solution to this problem and have tried several other things that folks said would work......but, they didn't. Either there is something different about the PRO version of Win 7 or my particular laptop is different or I'm just a very dense guy that can't seem to follow directions.......please help!!

If I could get more exact directions or any other kind of help from someone that knows this networking fix better, I would be eternally grateful. Please respond quickly as this laptop may get thrown out a second story window before too long if I can't figure out how to fix this problem.


Thanks in advance.

THANK YOU SO MUCH OMAR..

U cant believe how many days i tried 2 solve this thing and looking for solutions on google and nothing worked. But your solution works like a charme Mayebe u should get a job at Microsoft instead of those retards that work there now...

I buy u a beer next time ur in my country ha ha