Cannot get internet access on clients computers in server 2008


I am sure this is easy, but we are stumped with this configuration.

We have two NIC's on our server, one for the internet / ADSL modem and the other for the Private Network side.

The Internet works on the server, but not on the clients.
We have setup DNS and DHCP. DHCP seems to be working, giving out addresses we setup in the scope.

We even set the clients to join the domian via the administrator account because we thought the clients may need authenticating to be given access to the internet.

The modem is set to
The Internet side is set to and the private is set to

What do we need to set the DNS Servers, to and what do we have to do to get the clients to access the internet.

Is it able to be configured so DHCP clients do not have to be a member of the domain to access the Internet? (we run a repair workshop and do not want to change some pc's to the domain just to connect to the internet)

What do you think?
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does server able to access internet it seems to me problem is with your router configuration. is the external ip address is static or dynamic (DHCP)
ben_watersAuthor Commented:
Thanks Mattibutt

Yes the server can access the internet without a problem. the IP's for both cards are static ( and (

What routing configuration could assist?
ben_watersAuthor Commented:
I can ping the from a clients computer but cannot ping or Does this help?
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hi buddy
you know one is your internal ip address 10.x.x.x or 192.x.x.x but i asked about the external ip address which is provided by ISP (internet service provider) how clients internet is configured is it using any routing device and switches or a hub.
often misconfiguration on two NIC card can result in this problem.
if you have setup a router are you able to access router from client computers. what is the routing device you are using.
ben_watersAuthor Commented:

We are not using any routers at all, we have a modem going to the first NIC on the server then the other card in the server is going to a switch on the client side to hook up multiple computers. The ISP has given us a Static IP address from there end. I have disabled DHCP on the Modem to allow for Static IP to the server (we are going to setup a webserver as well).
i think you would need a router i could be wrong if you are going to setup web server and want to configure alot of firewall rules i think router would be a better option.
have a look at this article

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in the server run the internet conection wizard and allow other computers share the internet.
ben_watersAuthor Commented:
Thanks, I will try it out. Does Routing need to be set up on the server?
have you looked through the link i have sent you?
ben_watersAuthor Commented:
I will look through the link when I get to work and try to implement your solutions
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Windows Server 2008

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