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Replacing primary AD DC

baysysadmin
baysysadmin asked
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Last Modified: 2017-12-23
I have a 2012 DC with these roles
WSUS
DHCP
DNS
DFS
Certificate Authority
Network Policy Server

The plan is to replace this server hardware with new server. I would like to keep the same name and IP.
Ive done it once before but at that time I didnt have all these new roles.

  • I plan to rename DC1 it to DC-old, but keep the IP
  • Build the new DC1 with temp IP
  • Setup all same roles on new DC1
  • Transfer original IP to new DC1 and update the DNS records.
This way I dont need to change all the server and device settings that are referencing the IP

I guess to get to my question, I am not sure what affect renaming the DC will have on the Certificate Authority, will the workstations generate a new certificate with the new CA server once they connect to it for the first time?
The main reason we use the CA is in conjunction with NPS for wifi and LAN authentication for workstations.

As for the other roles, im confident I can replicate the settings on the new DC.

for WSUS I found this guide, unless someone has a better one?
http://www.vkernel.ro/blog/migrating-wsus-from-one-server-to-another
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