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I have single server acting as a domain controller. It is running Windows 2008 Standard edition. What steps are required to migrate this domain to another computer running Windows 2008? I'd like a detailed list of all the steps required and any gotchas.

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up vote 5 down vote accepted
  • DC Promo the new server to join the existing domain, wait for al AD data to replicate
  • If DNS is installed on the old server, install on the new one. Create an AD integrated zone for your domain DNS data and wait for it to replicate
  • Transfer any other roles such as DHCP, WINS etc.
  • Transfer all FSMO roles to the new server. (I realise the article is for server 2003 however the process is the same
  • Turn of old server and check clients can login and perform all required tasks
  • Leave old server turned of but ready for use should a problem occur, for a reasonable period of time, usually a couple of weeks to a month
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And finally, before the 60-day tombstone interval, use DCPromo on the old domain controller to remove it. It would also be highly recommended to add a second permanent domain controller (possibly virtual) sometime soon. – Froosh May 29 '09 at 6:16
Just to be picky: If there is already an AD Integrated zone in the domain/forest, it will automatically show up in DNS as soon as you install the DNS Service on your new server (depending a bit on replication config, but in a default config it will replicate automatically) – Trondh Aug 23 '09 at 22:29

Isn't it as simple as adding a second domain controller then transferring all the FSMO roles to the new DC? Not knowing all the details you may have dependant roles than need transferring like dns DHCP etc

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