Setting up Active Directory

I just upgraded my NT 4.0 PDC to Windows 2000 Server. I still have another NT 4.0 server acting as a BDC. After the upgrade, neither the other server nor the 2000 clients can see the server. Error: “No trust has been setup between the client and theprimary domian” I’m assuming it’s a DNS issue, since I have not ran through the Active Directory setup wizard. I am unclear on the parameters. Any help would be greatly appreciated.

Thank you
bkana@adfusa.org