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Is it possible to migrate a Small Business Server 2008 Domain to a new Server 2008 R2 without issues?

I started a small office 3 years ago with Small Business Server 2008,now I have 30 users with additional servers.  I want to setup a new Server 2008 R2 as the PDC using the same domain.   How do I do this so that I won't have issues later on?  Is there a proven migration path/process for Small Business Server 2008 PDC to Server 2008 R2 PDC?

NOTE:  Creating a new Domain is my second option as I do not want to touch each machine on my network to join to a new domain and migrate user settings.
3 Solutions
Here are the steps:

1. Run ADprep on SBS 2008 with the Windows 2008 R2 media.

2.       On SBS 2008 ensure that the schema version is updated to 47. Default schema version is 44: HKLM\SYSTEM\CurrentControlSet\Services\NTDS\Parameters\Schema Version=47

3.       On the Server 2008 R2 assign the network card a Static IP on the same network as Small Business Server 2008.

4.       Set the SBS 2008 server as the primary DNS server and the hardware router as the default gateway.

5.       Set the Windows Server 2008 R2 computer to the correct time zone,

6.       Set the computer name and join it to the SBS 2008 domain as a member server.

7.       Join 2008 R2 DC as a secondary domain controller in the SBS 2008 Domain.

8.       Install Exchange 2007 or Exchange 2010 on same server or different server and  move the mailboxes.

9.       Move the Public folders: http://technet.microsoft.com/en-us/library/bb331970.aspx

10.   Migrate any data they wish to keep to the new server.

11.   If folder redirection/roaming profiles are configured move that data over to the new server by updating the user account/group policy settings.

12.   Move FSMO roles and GC to 2008 R2: http://support.microsoft.com/default.aspx?scid=kb;EN-US;255504

13.   Uninstall Exchange 2007 from SBS 2008

14.   DCPromo down SBS 2008

15.   Remove SBS 2008 from the network.

SandeshdubeySenior Server EngineerCommented:
Here is another guide for the same:http://www.fixkar.com/articles/kb/1177/

As you are introducing 2008R2 server in existing sbs2008 you need to prepare the domain.

1.First prepare the domain.
Insert Win 2008 R2 DVD on windows 2008SBS DC and execute adprep as below
Ran D:\2008DVD\Support\Adprep\adprep32.exe /forestprep on the server holding the Schema Master role.
Ran D:\2008DVD\Support\Adprep\adprep32.exe /domainprep /gpprep on the server holding the domain master role.

Reference article:http://www.petri.co.il/prepare-for-server-2008-r2-domain-controller.htm

2.Install DNS role in win2k8R2
Reference KB article:http://technet.microsoft.com/en-us/library/cc725925.aspx

3.Once DNS role is installed.Ran dcpromo on win2k8 R2.
Reference KB article:http://technet.microsoft.com/en-us/library/cc753720(WS.10).aspx

4.After the Win2k8 Dc promotion is completed restart the win2k8 DC.

5.You must transfer the FSMO roles to the 2008 machine then the process is as outlined at http://www.petri.co.il/transferring_fsmo_roles.htm.In case if you are planning to have sbs server in the environment you need to keep the FSMO role on sbs server only.

6.Ran dcdiag /q and repadmin /replsum on DC to check for any errors.

7.Change all of the clients (and the new 2008 DC itself), to point to the 2008 DC for their preferred DNS server this may be in DHCP options or the TCP/IP settings.

Note:Before you proceed take full backup of the server
kenshawjrAuthor Commented:
Thank you to all of you for help.
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