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Replacing 2003 DC with 2008 DC - FSMO Roles

Hi all

I am currently in the process of replacing a DC at a remote site. For the purposes of this example, we'll use the following names:

DC1 - Windows 2003 Standard (Current DC at remote location)
DC2 - Windows 2008 R2 Standard (New DC)

We only require one domain controller in this remote office, so this is a straight swap due to DC1 having very old hardware and needing to be decommissioned.

DC2 has been added to the network as a domain controller and I have synchronised DNS, and it's already running DHCP for the machines in the office.

I'm now at the point where I want to do the final pieces of the puzzle to get DC2 running on it's own, and I know that the FSMO roles need to be moved over to the new machine.

Could anyone please assist me with this, as it's been a long time since I've gone through this process with a DC migration. I want to make sure I don't miss anything, and I'd like to know about any 'gotchas' along the way, prior to conducting the migration.

Many thanks in advance for your advice

2 Solutions
Check the below links



After transferring fsmo roles check dnsmgmt.msc-->sites-->Pdc pointing to new server Ip address  also move all dns dependency to 2008 server

after that  shutdown the 2003 server for few days check everything working fine. If there is no issues you can proceed with demotion of the 2003 server
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