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How can I replace the domain controller machine?

I am administrator of a small LAN with Windows 2000 Professional workstations and only one Windows 2000 server, which is domain controller, DNS server, ISA server and SQL server. The server machine is old PII 400 MHz, and I would like to change it even if it is working very well and I don't have performance problems with it. The problem is how to replace the domain controller machine with all other services to new one.
Your first problem is you only have one domain controller. ALWAYS deploy a minimum of 2 domain controllers for every domain. I'd recommend purchasing your second system, installing it as a second DC, then moving the services over as needed. Yes, this usually means a completely new configuration and installation of them on the second system. Once the move is complete, destroy and rebuilt the old system as your backup DC.

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Active Directory doesn't work after a system state restore I have a Windows 2000 server as the main DC. I did a manual removal of Exchange, but my IIS Web page didn't work after that, so system state was restored. However, I have had trouble ever since: Users are not able to access some of their file shares; Active Directory is sluggish when making changes; and my second DC can't access the main DC any more.

A cause of this could be that the AD Exchange object was deleted, and it doesn't come back after restore and AD replication changes things including in sysvol. I tried to do an authoritative restore but got an error message.

Should I remove AD from the second DC and then restore the system state to the main DC so it won't replicate? Would this fix it? I'm trying to avoid reinstalling everything. Thanks!

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