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Moving a backup domain controller from a remote office.

Hello there-
I have a customer that needs to move a windows server DC 2012 back into the main office. I used it as a backup DC through the VPN, and they used it locally as a file server, and their DHCP, DNS server.
Once I turn off the remote's server DHCP, re-point change external DNS to our DC in the home office, will it cohabit with our local dc without further configuration changes, and still act as a backup dc, or should I run DC Promo and downgrade the remote site first, then run dcpromo again to upgrade once I get it back at the main office? Incidentally, the DC at the home office is 2003 R2.
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HardwareDude
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HardwareDude
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2 Solutions
 
jmac44Commented:
You shouldn't have to run dcpromo to demote and promote. As long as DNS is correct you should be fine. Once the DC is back on the same subnet you should go into AD Sites and Services and manually replicate.
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DrDave242Commented:
Speaking of AD Sites and Services, don't forget to use it to move the DC from the remote site to the main office site.
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DrDave242Commented:
Closing due to inactivity.
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