I'm introducing myself to Active Directory/2k3 Server by implementing a domain for my father's business, hopefully negating some future support headaches. It's a small four user environment, all XP ...

If the Server is not operational message keeps troubling you when adding a trusted domain user to a trusted domain in Windows Server, then this post may help you resolve the issue. When you click ...

You need to run dcpromo and tell it to make a secondary domain controller in an existing domain. Once it's all done it will reboot the machine and then you can use your domain login.