Accessing Internet

I have a server running NT4 sp6 that I have not been able to get on the internet. I have double checked all the numbers and everything looks right. It is on the network and can see workstations and workstations can see and access it. The workstation beside it that is connected to the same switch is able to get on the internet so I’m not sure what the problem is. I checked another server on the same router and all the settings seem to be the same.