Replacing an existing Domain Controller

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From: Sol F. (anonymous_at_discussions.microsoft.com)
Date: 08/06/04 

Date: Fri, 6 Aug 2004 09:16:53 -0700

I would like to replace an existing Domain controller in a
small office.
What is the recommended way to accomplish this.
Specifically, I need to preserve the existing users and
groups along with their security settings.
Do I set it up as a BDC and then promote it to a PDC?
Would that work (I can copy all the data later)
Do I just use Backup/Restore?

Thanks

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