Our existing domain consists of the following (3 x DC's):
OLDDC1 - Server 2008 (32bit) (This is the Primary DC)
OLDDC2 - Server 2008 (32bit)
DC3 - Server 2008R2
We are in the early stages of planning the migration of OLDDC1 & OLDDC2 to 2008R2.
I am looking for the best way to do this, when considering the following queries....
1.) We would like the new DC's OLDDC1 & OLDDC2 to be renamed DC1 and DC2 so that their naming convention falls in line with the rest of our servers. I am concerned about what this might break though if software/hardware is configured to reference the DC's (via LDAP etc) by their server name. What is best practice here?
2.) Ideally I would like to run the new DC's side by side with the old DC's for a while as we transfer roles. Is this possible? Again, I am concerned about software/hardware which reference the DC's via their IP address (e.g. NIC's with static DNS settings) .
With this in mind is it going to be viable to run them side by side and then switch IP's etc? What is best practice here?
I am sure more questions will come to me but I think that is a good starting point!