configure NAT on win server 2008

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configure NAT on win server 2008

Hi please help me on this
I have two win2008 computers one is a dc and on is for the nat service.
The one for nat has two network cards and is configured like this

Adapter 1 connected to lan :
No default GT
No Dns
Adapter 2 connected to the internet route:

The second pc which is a DC has one network adapter and it is a dns server for the local network and also a dhcp:
No default gt
How can i configure the two servers to allow local clients to connect to the internet
Note: i have to have the two subnets.
I have to allow only some local pcs to access the internet and want to do that via entring mac into the router. Is it possible?