0.0.0.0 Default Gateway

You’re having trouble connecting to the internet from your Windows Server (or Vista as I’ve read elsewhere). You ping an internet site and see the IP address but receive “destination host unreachable”. You go to the command prompt and type “ipconfig /all” to investigate your IP settings. You see that the default gateway is set to “0.0.0.0” as the first default gateway IP address. Doesn’t look right, of course. You check the IP settings and don’t see “0.0.0.0” specified as a default gateway. What to do? This is what I did to resolve the problem for my Windows Server 2008 machine:

Open a command prompt.
Type “route delete 0.0.0.0”.
Configure the IP settings to add back your correct default gateway IP address.

That did the trick.

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You’re currently reading “0.0.0.0 Default Gateway”, an entry on Steve Hart

Published:: 07.09.09 / 7pm

Category:: Article

Tags:: connectivity, gateway, ip, network

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4 Comments

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Sean Wallbridge 07.09.09 / 8pm

1

Wierd. I haven’t come across that specifically but have seen similar behaviour in 2 other environments recently caused by DHCP. I blogged about it here: http://blog.brainlitter.com/archive/2009/04/19/strange-windows-dhcp-server-issue-%E2%80%93-router-option-003-goes-missing-on-service-restartreboot.aspx

Maybe related?
Bernard Macias 09.09.09 / 9am

2

This a is weird issue, I am glad I am not the only person experiencing this. You can also resolve this issue using ‘netsh interface ip set address name=”Local Area Connection” static ‘
barry 08.10.10 / 8pm

3

Thank you , Thank you!!

This happened to me and I almost put my head through my monitor.I was simply trying to activate my server. But I needed to get to another subnet where our internet lives. I am new to server 2008, so after I went throught learning about
1)enabling ICMP(to ping the DNS server in another subnet),
2)firewall settings,
3) “network location awareness”
4)And my network card would check out fine. Proper subnet mask, gateway, and IP, to match the VLAN i was on.

I still couldnt Ping any computers in the other subnet although I could ping my gateway.
I did notice the 0.0.0.0 above my gateway,after running an IPconfig, but I wasnt totally convinced it was a problem because my Print Route command was giving me normal results.

I believe it has to do with changing static IP’s on server 2008 , under specific conditions. I plan to re-create this problem.
Steve 08.11.10 / 4am

4

Hi Barry. I never did understand why 0.0.0.0 showed up as the default gateway and haven’t re-created the problem since then. If you do find out why it happens, please let me know.

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