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DNS issue

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by kfrost

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Good afternoon. For some reason my DHCP went bad on my server. I have server 2003 for small business. I re-did the DHCP Server installation. I have a range of 20 addresses that I want to be DHCP. I set up that range and activated it.I tried setting my computer to automatically get an IP address and it did from the range I specified. I can than see my network, no problem. The problem is when I try going on the internet. I get a "Page can't be displayed". I'm figuring it's a DNS problem but I don't know where to begin. And help would be greatly appreciated.

Thanks,
Kevin

10 replies

by choppit

Two things to check;

1) Default gateway. Is it correct and reachable? (e.g. ping )

2) DNS. Is it set correctly and can you resolve hostnames. (e.g. nslookup www.google.com)

For a windows host 'ipconfig /all' will give you information for your network interfaces.

by kfrost

When doing the ipconfig /all I have realized that I am not showing a default gateway. How do I configure that?
I've tried reaching websites by using IP addresses and had no luck.
As far as my DNS goes it is probably not set up correctly as I used the "How to configure DNS server" via Microsoft online. Any help with these issues would be great.

by nimmo

Have you checked you DHCP scope options?

by kfrost

All of my scope options are unchecked. Should something their be checked?

by nimmo

In your scope options add a DNS server:

Right click the scope options> configure options> DNS servers> add in your DNS servers address.

On a client PC run the ipconfig /release and renew command, then ipconfig /all and see if the configuration is displaying the correct DNS server.

Also check the default gateway to make sure that is also correct, try and ping a site via hostname and see if it resolves.

by cypher.msix

Is this issue on the server or the client machines connecting to the server?

Don't forget to check the cabling to the router and double-check the network adapters are setup properly as well. :-)

by kfrost

95% of my machines are set up with Static IP addresses. I have about 5 users who need DHCP. Those are the machines that are receiving a IP address in my designated scope but can't get out to the internet. I have checked all cables and routers, even tried power cycling the router with no luck.

by kfrost

I added the DNS servers. When I now do a ipconfig /all I see my DNS server, but nothing is showing for default gateway. How do I configure the default gateway?

by kfrost

What I needed to do was add router with my Gateway address in my scope options in the DHCP Server Setup. Now my computers that are set to find a address automatically are also picking up the default gateway. Thank you everyone for your help.

-Kevin

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