Internet Access on the domain

April 7, 2008 at 15:51:11
Specs: WIn Server 2k3, n/a
Hello,

I am recently making the switch in my small office from a workgroup to a domain. I am a studen who works part time managing this very small office's internal network/computers. I am reasonably knowledgeable of networking however I am still just a student in learning.

My problem right now is obtaining internet access for the domain. Neither the server nor the one station I have connected to the domain are able to get to the internet. I have tried using the DNS configuration wizzard numerous times and to no avail its not able to tunnel out to the internet.

Could anybody walk me through the process of just getting these PC's to see the web. Tell me what information I need to obtain from my ISP as well.

Currently its a simple DSL connection, one router/DSL modem combo and 3 switches that divide the connection.

Right now only the server and one station are connected to the domain, the others are intentionally kept off the domain and just function in a simple workgroup. Internet access for those PC's is working just fine.


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#1
April 8, 2008 at 06:03:17
During the promotion process you will be asked to configure DNS. When you're finished, you will need to setup DNS forwarding on the DC. Just forward your internal DNS to your providers DNS server(s). This will allow for resolution of requests outside the local zone.

Internal (domain) clients should point at the DC for their DNS. Local requests, such as logging in to the domain, will be processed by the DC's DNS. Requests outside the local zone will be forwarded to your provider's DNS.

Currently its a simple DSL connection, one router/DSL modem combo and 3 switches that divide the connection.

In a situation like this, I disable DHCP on the router and use the DHCP service on the DC instead. Configure your scope and when you do so, ensure the DNS address you give out is the DC's IP. If you have DHCP enabled on both the router and DC you're going to have problems. Best practice is to have just one DHCP server.

You need to concentrate on the DC first. Once you've gone through the promotion process and forwarded DNS, ensure your DC is getting internet connectivity before trying to create any domain clients. Once you have the DC up and running and connecting properly to the internet, then join a client to the domain and ensure it's getting proper internet access.


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