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TCP Settings on Windows 2008 Server

Posted on 2013-06-17
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Last Modified: 2013-07-24
For some reason, after configuring a static IP on Windows 2008 server, the address is showing as 0.0.0.0 and 0.0.0.0 subnet. Ipconfig, however, shows the correct address as "
Preferred". Moreover, the advanced property of IP shows both 0.0.0.0 and the actual address at the bottom.

Any idea?
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Question by:exhuser
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Expert Comment

by:Randy Downs
ID: 39253987
Try this

http://social.technet.microsoft.com/Forums/en-US/winservergen/thread/cafe29bb-d5f2-449c-9bd2-18014d278b3d/

How many NICs do you install in Windows server 2008 R2?

Did you install 3rd-party tool in Windows server 2008 R2? If so, please uninstall them and try again.

Windows 7 use 0.0.0.0 as the default gateway problem.
http://msmvps.com/blogs/richardwu/archive/2009/12/18/windows-7-use-0-0-0-0-as-the-default-gateway-problem.aspx

The Default Gateway may have been set to 0.0.0.0 on a Windows Vista-based or later OS running Apple’s Bonjour service
http://support.microsoft.com/kb/970313

If the issue persists, please try to reset TCP/IP or recreate a new NIC for WIndows server 2008R2.

How to reset Internet Protocol (TCP/IP)
http://support.microsoft.com/kb/299357
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Author Comment

by:exhuser
ID: 39254023
This is different:

Looks like it adds another address 0.0.0.0 and subnet 0.0.0.0 However, the correct static address is listed at the bottom (in advanced settings) and is showing in ipconfig.
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Expert Comment

by:Randy Downs
ID: 39254055
Do you have a Health policy Server restricting this server? Maybe it doesn't meet requirements like virus signature.
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Expert Comment

by:Randy Downs
ID: 39254059
Something like this?
http://www.trainsignal.com/blog/nap-network-access-control-server-2008

Dynamic Host Configuration Protocol (DHCP) is one of the easiest NAP enforcements to deploy because all DHCP client computers must lease an IP address. Therefore if the client computer does not meet the health policy requirements the DHCP server will either assign an invalid IP address, such as 0.0.0.0., to the client or route the client to the remediation server for updates. This way the client can only access the IP address of the network if all health requirements are met.
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Author Comment

by:exhuser
ID: 39254389
I don't think ther is a helth policy restricting this. After all DHCP works -- it is just the static IP settings
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Expert Comment

by:Randy Downs
ID: 39254492
Have you tried rebooting?

I would say release/renew ip but it should be a static ip. I would issue the command just to see what it tells you.

Only 1 NIC involved?

ipconfig /release
ipconfig /renew
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Author Comment

by:exhuser
ID: 39254523
Yes only one NIC
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Expert Comment

by:Randy Downs
ID: 39254533
Is this a physical machine or a virtual?
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Expert Comment

by:Randy Downs
ID: 39254546
This might help. You can run it manually with netsh or use their Fix it link. Either way you need a reboot which might fix the problem all by itself.

How to reset Internet Protocol (TCP/IP)
http://support.microsoft.com/kb/299357
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Author Comment

by:exhuser
ID: 39254589
Physical machine, 2 adaptors, one disabled.
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Author Comment

by:exhuser
ID: 39254603
Looks like it has something to do with IP v 6: when I try to ping the localhost, IP v 6 responds...
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Expert Comment

by:Randy Downs
ID: 39254604
Maybe something here but most require a reboot. Again it refers to DHCP which you are not using but it seems like your machine is in limbo between DHCP and static ip.

http://support.microsoft.com/kb/822123

Method 1: Turn Off Firewalls

Method 2: Verify That Your Network Card Is Installed Correctly

Method 3: Verify That the Dynamic Host Configuration Protocol (DHCP) Client Service Is Started

Method 4: Modify the Registry
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Author Comment

by:exhuser
ID: 39254619
My Iconfig reports the correct address, it is when I go to TCP/IP settings I see 0.0.0.0 as the first address.
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Expert Comment

by:Randy Downs
ID: 39254627
Try disabling IPv6
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Author Comment

by:exhuser
ID: 39254856
Disabling IPv6 did not help...
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Expert Comment

by:Randy Downs
ID: 39255130
OK so it's not an IPv6 problem. It's just that IPv4 is not working so IPv6 responds. Can you reboot?
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Accepted Solution

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exhuser earned 0 total points
ID: 39260417
Updated the driver, removed the NICs from device manager and restarted. That fixed it.
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Expert Comment

by:Randy Downs
ID: 39260516
Glad you got it. It was a very strange symptom
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Author Closing Comment

by:exhuser
ID: 39350693
Found solution by re-installing the driver
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