4 replies
You want to move an Active Directory integrated zone or just a primary zone?
For an AD zone, make the new system a DC install DNS, add the AD integrated zone if needed. (I don't think you have to actually add the zone though). Reference the system in DHCP and on all static hosts as well. If you are going to keep the old system running and just want to remove DNS service, you should be able to do so provided all DC point at the new system and some form of Dynamic Updates is enabled.
For a standard primary, you have several options depending on how large the zone file is. If you have hundreds of thousands of entries in there I would suggest something different than what I am going to know.
Here is what I do: Install a new system, install DNS, set DNS zone to be a secondary. Let the two machines talk and let the secondary server get its information. After hours shutdown the primary server, change the zone type on the new server to primary, enable IP address aliasing in the TCP properties for that NIC, assuming that both system were on the same subnet. Basically the idea here is that you want to give the new system the same IP address of the old server as an alias. This will give you some time to change systems that have static address to the proper/new IP address as well as make changes in DHCP. If you need the other server to be on-line forget the aliasing and just swap roles for a few days to give you the opportunity to clean up. So in other words, after the new server has all the zone info, make the new server a primary and the old server a secondary. Make sure that you mimic any dynamic updates settings on the new server.
Hope that helps,
Aaron
by bmcafee
by bmcafee
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