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DNS Issue

Posted on 2014-10-22
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Last Modified: 2014-10-28
I have a Server 2003 with just file server role and AD/DNS.

This server was acting as DHCP but i removed that role and moved it to our firewall/router.

the router is set up to give static dns
192.168.1.50
8.8.8.8
x.x.x.x

That's 3. if i disable the network adapter on this windows 7 workstation and re-enable it, it will only use 192.168.1.50 and not pull the other two down, i used wireshark and the router is giving this workstation all 3 dns but the workstation is refusing it. so i static ip the workstation and rebooted and then i unstatic it and it then dhcp again and i saw it pull my 3 dns ip settings. then 5 mins later i check it again and its back to only using one dns. i'm so confused right now. please help me.
i did do netsh int ip reset more then once.


thanks
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Question by:wjl3698
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by:Kimputer
ID: 40396982
Did you run wireshark all those 5 minutes? Maybe there's another DHCP server active on the network?
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wjl3698 earned 0 total points
ID: 40397061
only the firewall/router is the dhcp server. wireshark shows it pulling from 192.168.2.3 which is my router/firewall.

i went back onto the server and made sure computer browser service was running and i disable dhcp server service. went back on workstation and disable computer browser service and rebooted and now its pulling the 3 dns ip addresses like they should be. i think i figured it out. thx.
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by:footech
ID: 40397267
If these are domain computers getting their info from DHCP, they should never use any DNS servers that aren't internal (i.e. have full knowledge of domain DNS records), otherwise you are likely to encounter intermittent issues that can vary from logging on, group policy, etc.
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by:WORKS2011
ID: 40397692
This server was acting as DHCP but i removed that role and moved it to our firewall/router.

Check to see if the NIC on the server is still bound to the old DHCP server, could be causing issues.

Do you have slow log ons from the workstations? You shouldn't be using Google DNS and as stated above you should use DHCP on the server.
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Author Closing Comment

by:wjl3698
ID: 40408031
this fixed the issue.
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