Migration Approach in NT4 to Win2K3 AD
- From: Alan Tang <user@xxxxxxx>
- Date: Wed, 15 Mar 2006 10:07:20 +0900
Hello:
In my environment, their have 3 NT4 Domain Controller. (1 PDC with 2 BDC).
Does the following steps is possible?
1.) Setup a new NT4 Domain Controller and join with Existing Domain
2.) Promote this NT4 Domain Controller to PDC, which demotes the PDC to a BDC.
3.) Upgrade the new PDC to Windows Server 2003.
4.) Use the Windows Server 2003 Active Directory wizard to turn on the Active Directory service. The Active Directory service imports the existing user accounts, groups, and other settings from the PDC.
5.) Setup a new Win2K3 AD DC Server and join into existing AD.
6.) Transfer all Flexible Single-Master Operation (FSMO) roles to the new Windows Server 2003 domain controller.
7.) Verify all directory information has replicated.
8.) Demote the first domain controller to a member server, and remove from the domain.
For this case, is it possible to raise the domain level to "Windows Server 2003 interim"?
Q1.) If other trusted domain that have Win2K DC, does it will have problem?
Q2.) If the domain level has been raise, does the "Forest Functional Level" will auto raise to "Windows Server 2003 interim"?
Q3.) For this coexist with NT4 BDC & Win2K3 DC case, does all the member need to change the DNS to AD's DNS?
Q4.) If I didn't change the DNS setting, is it possible the authentication process will use the NT4 BDC?
Q5.) For the Fall back plan, does I just switch off all the Win2K3 DC and promote on of the existing NT4 BDC to PDC only?
Thanks a lot!
.
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