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How to connect two domain serversw

I have two network - both running Server 2003 R2 and both with their own domain. This was one network, connected with a wireless bridge, but I had to stop using the bridge as the log onto the server from the other side of the bridge was so slow. There is a router with ADSL connection on both networks. Everything runs fine now - except there is one folder that the users from both domains want to access. I know that I can connect with Terminal Services - but this is too slow. Is there a way that I can connect the two networks, make one dynamically assign IP addresses and the other static and have two domains, and create a mapped link to teh files I want to share? What are is the likelyhood of me getting conflicts - is there anything else I need to watch out for?
1 Solution
Set up a trust between the domains.  If they are able to be connected locally (ie geographically close) then you could run a connection between the 2 servers - rather than over the public internet.  If the networks are too distant to connect via fibre/copper or a wireless bridge between the networks is too slow, look at VPN options to encrypt the traffic between the networks.

OpenVPN is a great (and economical method of doing this), although Windows Server also has built in functionality to support this.

However the networks are connected to each other, you should set uo a trust between the domains.  This means that you can assign permissions to members of the other network locally on the domain controller or client machines.

In active directory sites and services configure the trust...as per here:


Each network needs to have a separate address range (ie. Network 1 has, Network 2 has  That way a device (VPN server, Router, or the Windows servers themselves) can be configured as the route for any traffic for the opposing network.

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