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Changing Exchange 2013 and Windows 2012R2 Domain controller's AD Site.

So I have an Exchange 2013 box and DC that I would like to change back to my default site. Is there anything I need to do before doing this? Right now I have an Exchange 2013 box with Mbx and CAS roles in the first site. I am moving the second Exchange back to the first default site so I can have some HA with my CAS boxes (as budget allows). There are no DAGs set up between the two yet. Please advise.


Thanks.
ExchangeWindows Server 2012Active Directory

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internetworks

8/22/2022 - Mon
rgorman

There should be no issues at all.  Once the IP's are updated and DNS reflects those IP changes you should be able to verify replication of AD is working.  Exchange shouldn't have any issues as long as AD replication is working.
internetworks

ASKER
Which IP changes are you speaking of? When I add the subnet back into the First original site? I am not changing any IPs on the devices themselves.
rgorman

I guess if you are keeping the same address range and just setting up internal routing at the one site between the two previously site separated subnets you shouldn't need to do much other than associate the subnet to the main site in AD sites and services and make sure that gets replicated around.
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Justin Yeung

all you have to do is the change the IP subnet bind to the target site.

confirm replication

restart Exchange AD topology service on the target exchange server.
internetworks

ASKER
Thanks for the great detail!