have you got time for this one?

To connect multiple machines using a single dial-up connection, you can use Internet Connection Sharing, ICS. Here is a link to a Microsoft article on the hows and whys of ICS:
http://www.microsoft.com/WINDOWS2000/en/server/help/sag_RRAS-Ch2_8.htm
Now, when you run DCPROMO on your Win2KAS machine, yes keep your existing FQDN (mydomain.uk.co for example). Give the machine a machine name (MYSERVER).
The fully qualified name for the server will then be MYSERVER.MYDOMAIN.UK.CO
You do NOT make the machine name MYSERVER.MYDOMAIN.UK.CO
Just MYSERVER and set up the domain information appropriately.
This is the idea of Active Directory, is a seamless integration of public domain names and office LANs.

And here is a Microsoft white paper on Active Directory design and deployment:
http://www.microsoft.com/windows2000/techinfo/planning/activedirectory/bpaddsgn.asp

hope this helps.

To enable Internet connection sharing on a network connection

Open Network and Dial-up Connections
Right-click the dial-up, VPN, or incoming connection you want to share, and then click Properties.
On the Sharing tab, select the Enable Internet connection sharing for this connection check box.
If you want this connection to dial automatically when another computer on your home network attempts to access external resources, select the Enable on-demand dialing check box.
Important

You should not use this feature in a network with other Windows 2000 Server domain controllers, DNS servers, gateways, DHCP servers, or systems configured for static IP.
When you enable Internet connection sharing, the network adapter connected to the home or small office network is given a new static IP address configuration. Existing TCP/IP connections on the Internet connection sharing computer are lost and need to be reestablished.
To use the Internet connection sharing feature, users onyour home office or small office network must configure TCP/IP on their local area connection to obtain an IP address automatically

You can use Network Address Translation (NAT) if you have multiple IPs or ICS for a single IP.

There is no need to worry about DNS and or DHCP. Using ICS will act as a DHCP connection inside your network. Give that machine a private address on the NIC (I think ICS defaults to 192.168.0.1) and then use Automatic IP assignment on the other boxes.

Active Directory will utilize your domain name... and should be rather simple when using dcpromo.

You can set your DNS (needed for AD) to useyour ISPs DNS server as the forwarder. This will point all the PCs trying to use your server to resolve hosts to your ISPs DNS server(s).

Open the properties pages for the DNS server and specify your ISPs DNS servers as forwaders...

Hi,

first what is your Goal? Implementing AD for
Administering your IT-Environment, or do you just wannt to make an Internet connection sharing ?
In the other Answers i saw some hints who could help you make the Internet connection sharing.

regards

Frobo

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