New Domain Controller with FSMO roles

Hello All, I am planning to upgrade my AD infrastructure.

My current environment:
1 Forest, 1 Domain
AD Functional level: 2003
Domain Controllers: Physical Server 2003 R2 SP2 and VM Server 2008 (on one site) and another Physical 2008 R2 located on my second site.

My 2003 R2 Domain Controller is holding all FSMO roles.

I am thinking about Deploying a third DC, Virtual Machine, Windows Server 2008 R2. After promoting this new server to DC, I am thinking about transferring over all FSMO roles to this 2008 R2 DC. After transferring the FSMO roles I want to elevate my forest and domain functional level to 2008. My last step would be to demote or probably remove my 2003 R2 domain controller server from my domain and utilize its hardware for other things.
 
Am I on the right track? Can someone shed some light on how to accomplish this?
LuiLui77Asked:
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Santosh GuptaConnect With a Mentor Commented:
Hi,

Yes, seems you are on right track. See the below step it may help you.

1.      Take the full server and system state backup of windows 2003.
2.      Install the windows 2008 R2 server and update it properly.
3.      Run below commands on 2003 server by using 2008 R2 server Media. Make sure you are using adprep32, if you have 32bit windows 2003 server.
     a)      adprep /forestprep
     b)      adprep /domainprep
     c)      adprep /gpprep.
4.      now run "DCPROMO" on windows 2008 R2 server.
5.      make sure that there is no error in event logs and sysvol and other files are present.
6.      wait for a day and make sure every thing is working fine.
7.      Transfer the all FSMO roles to 2008 server.
8.       Shutdown the 2003 server for few day and see every thing is going well.
9.      Raise the Functional level.
10.      Start the 2003 server and demote the server by using DCPROMO
11.      if every thing is going good then you are good the Decom the 2003 server.
12.  create new site.
13.  add another windows 2008 R2 server and promote it.
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Arjun VyavahareConnect With a Mentor Technical ConsultantCommented:
Hi,

Following link contains the step by step articles for moving Windows 2003 to Windows 2008:

http://araihan.wordpress.com/2009/08/25/migrate-from-windows-2003-active-directory-to-windows-2008-active-directory-step-by-step/

I hope this will help you.

Regards,
Arjun
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LuiLui77Author Commented:
Hi Experts, Thank you for your posts, found them very useful.

Santosh, I have a DC on another site which is a Windows Server 2008 R2, meaning that the new DC that I will prepare will not be the first 2008 R2. I think I don't have to run adprep, do you agree?
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Santosh GuptaConnect With a Mentor Commented:
Yes, correct. As we have already updated the Schema by using 2008 R2 server Media in step 3.

so , Schema at 47, support all Operating systems till windows 2008 R2.
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LuiLui77Author Commented:
Thank you!
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