Two Network Cards - Internet Sharing

June 21, 2009 at 09:21:23
Specs: Windows Server 2008 Standard Edition
Here's my current setup:
A server running Windows Server 2008 Standard Edition with two network adapters, 10 office computers, 1 switch. I have our T1 line with a static IP coming into 1 network card on the server, and then I have the other network card plugged into the switch as are all 10 workstations.

I've configured DHCP on the server for the second network card, and it does issue out IP addresses and all the workstations can browse the shared folders I have setup on the server, but they can not browse the Internet. The server can, I'm jus tnot sure exactly how I have to it up? Do I have to setup a DNS role? or a Routing and Remote Management role?

Server network adapter 1 (where x is are real numbers):
IP: 74.x.x.14
Submnet: 255.255.248
Gateway: 74.x.x.13
DNS 1: 64.x.x.17
DNS 2: 64.x.x.18

Server Network Adapter 2:
IP: (i set this in there as static)
Gateway: blank
DNS 1: 64.x.x.17
DNS 2: 64.x.x.18

I setup the DHCP server to give IPs ranging from:, and that works fine..

But I still cant browse the internet on any computer besides the server. Any detailed help would be greatly appreciated as this is a bit urgent :)

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June 21, 2009 at 09:22:20
I must also advise, there is domain or active directory or anything like that setup. It's just a simple workgroup.

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July 3, 2009 at 18:06:18
I understand your Network setup,I would advice u to assign the gateway address as 2nd NIC ip address in all the computers connected in the network


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November 22, 2009 at 19:50:30
You need to set up ICS Internet Connection Sharing.

Go to your network properties of Network Card 1 and then go to the Sharing tab, and check off the first box"Allow other network users to connect through this computer's Internet connection". This will warn you that your second card will be set to and will hand out DHCP leases in that range.

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November 23, 2009 at 10:24:24
You were correct to mention RRAS role which is the correct course of action.

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