Upgrading to New 2012 Server as Domain Controller

Posted on 2016-07-26
Last Modified: 2016-08-03
We are updating to a new 2012 server to be our domain controller. We are upgrading from a single 2008 32bit domain controller that will be demoted and retired. I have successfully checked domain functionality and it is currently at 2003, added the new 2012 server to the domain and added the roles AD DS and DNS. I have promoted the server to a DC and checked all and the AD appears to be populated correctly. We do have a separate exchange 2010 server in the domain that will remain for now. What do I need to do next? Transfer the FSMO roles from the 2008 32bit server to the New 2012 server? Is there any other tasks that would need to be accomplished for the exchange server?
Question by:ajc2c
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LVL 96

Assisted Solution

by:Lee W, MVP
Lee W, MVP earned 250 total points
ID: 41729616
The exchange server should have nothing to do with this unless it's on the same machine as the 2008 DC (which it can't since that's 32 bit).

Once you have run DCDIAG /C /E /V and REPADMIN /SHOWREPL and confirmed there are no unexplained errors, you can transfer the FSMO roles and optionally demote the 2008 server.
LVL 16

Assisted Solution

FOX earned 250 total points
ID: 41729622
Use powershell from your 2012 DC to transfer all the roles to it.
Move-ADDirectoryServerOperationMasterRole -Identity “nameof2012DC” –OperationMasterRole 0,1,2,3,4
ref link:

If you are demoting the 2008 DC make sure you also set the 2012 DC as a Global Catalog Server, your exchange will be talking to it.

Author Comment

ID: 41734734
Going forward I was thinking on adding the server 2012 as a virtual server. The older 2008 32bit server was not virtual, but I do not want to loose some good functionality down the road when needed in the future. Any thoughts on this idea? the 2012 server a dell R730 has 64gb ram 2 x Intel Xeon E5-2630 processors, and 8 Tb free space. This is more the capable of handling our load as a virtual or physical server.  Our applications can run in a virtual mode with some homework on resource allocation, Exchange 2010 and Newforma our project server are our most critical application servers.
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LVL 16

Assisted Solution

FOX earned 250 total points
ID: 41734740
You can create your 2012 DC as a virtual no problem.  I don't know if I am reading you correctly but I wouldn't put exchange or any other applications on the DC if I were you.

Accepted Solution

ajc2c earned 0 total points
ID: 41734776
So if the 2012 server is the virtual  DC and I spin up another Virtual Machine on the 2012 server  for purpose of placing the exchange server on it that is something you would NOT suggest? In the past I was informed not to place exchange on a virtual machine, as there is too much resource allocation demands from exchange. Others recently told me if you allocate resources properly for the exchange ie...ram etc... you can run it fine as a virtual machine. any thoughts are welcome.
LVL 16

Expert Comment

ID: 41734781
Yes , of course with proper allocation of rescources you can have virtualized exchange servers.  This is being done in full scale in alot of places the DCs, exchange servers, everything is virtualized.

Author Comment

ID: 41734785
Thanks for the input I found several posts online that support my and your knowledge its not a good idea. I listed one post with info on why its not a good idea. Thanks again!

Author Closing Comment

ID: 41740322
information obtained assisted the resolution

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