Share via

Migrate Active Directory from Windows Server 2003 R2 to Windows Server 2012 R2

  • Article

Migrate Active Directory Domain Services from Windows Server 2003 R2 to Windows Server 2012 R2

Setup Used for this article:
a- DC-2003-R2 ( Installed ADDS & DNS) (Windows Server 2003 R2)
b- DC-2012-R2 (Windows Server 2012 R2)

 (Note: Have created few test Users, Groups and OUs to test the Migration process in Windows Server 2003 R2 [DC-2003-R2]).

http://saib-co.com/las/1.png

Prerequisites

1- Raise Domain and Forest Functional level to Windows Server 2003 on Windows Server 2003 R2 Domain Controller.

2- Install Support Tools on Windows Server 2003 R2 from Windows Server 2003 R2 Installation Media.

After Installing ADDS & DNS, we will Raise Domain and Forest Functional level to Windows Server 2003 in (DC-200-R2).

http://saib-co.com/las/2.png

http://saib-co.com/las/3.png

And now we are going to our new Server (DC-2012-R2), to join it to the old Server (DC-2003-R2).

http://saib-co.com/las/4.png

http://saib-co.com/las/5.png

In (DC-2012-R2) we going to Server Manager to Install ADDS & DNS.

http://saib-co.com/las/6.png

http://saib-co.com/las/7.png

http://saib-co.com/las/8.png

http://saib-co.com/las/9.png

http://saib-co.com/las/10.png

http://saib-co.com/las/11.png

http://saib-co.com/las/12.png

http://saib-co.com/las/13.png

http://saib-co.com/las/14.png

http://saib-co.com/las/15.png

Click (Promote this Server to a domain controller).

http://saib-co.com/las/16.png

Select (Add a domain controller to an existing domain), Next

http://saib-co.com/las/17.png

The Domain Name System (DNS) Server and Global Catalog (GC) must be selected, then enter the Password for AD Restore Mode (DSRM)

http://saib-co.com/las/18.png

Next

http://saib-co.com/las/19.png

Next

http://saib-co.com/las/20.png

Save the AD DS database, log files, SYSVOL in location

http://saib-co.com/las/21.png

Next

http://saib-co.com/las/22.png

Next  then Install

http://saib-co.com/las/23.png

After installing ADDS on (DC-2012-R2), we need to transfer FSMO role from DC-2003-R2 to DC-2012-R2
On (DC-2012-R2)  open Command Prompt and run ( netdom query fsmo )

http://saib-co.com/las/24.png

On (DC-2012-R2), open Active Directory Users and Computers Console and change RID, PDC & Infrastructure Operation Master from (DC-2003-R2) to (DC-2012-R2)

http://saib-co.com/las/25.png

http://saib-co.com/las/26.png

http://saib-co.com/las/27.png

On (DC-2012-R2), open Active Directory Domain and Trusts Console and Change Domain Naming Operation Master from (DC-2003-R2) to (DC-2012-R2)

http://saib-co.com/las/28.png

http://saib-co.com/las/29.png

On (DC-2012-R2), we need to change Schema Master from (DC-2003-R2) to (DC-2012-R2), to change Schema Master register Schema Master Console from Command prompt.

Run ( regsvr32 schmmgmt.dll ) on Command prompt.

http://saib-co.com/las/30.png

On (DC-2012-R2), Add Active Directory Schema Console from MMC and Change Schema Master from (DC-2003-R2) to (DC-2012-R2)

http://saib-co.com/las/31.png

http://saib-co.com/las/31.png

http://saib-co.com/las/32.png

http://saib-co.com/las/33.png

http://saib-co.com/las/34.png

http://saib-co.com/las/35.png

On (DC-2012-R2), open Active Directory Users and Computers Console and Verify that Active Directory database Replicated successfully to (DC-2012-R2).
(e.g. Users, OU’s and Groups etc.)
Active Directory database replication may take some time depend on the numbers of Objects in Active Directory.

http://saib-co.com/las/36.png

http://saib-co.com/las/37.png

Once you verify that Active Directory Users, OU’s, Groups, and Computers etc. replicated to (DC-2012-R2) successfully, then open Active Directory Sites and Services and remove (DC-2003-R2) from Global Catalog Server.

http://saib-co.com/las/38.png

http://saib-co.com/las/39.png

Now Verify that (DC-2012-R2) is running FSMO Role.
Run ( regsvr32 schmmgmt.dll ) on Command prompt.

http://saib-co.com/las/40.png

Now Change the (Preferred DNS server)  in properties of you Ethernet from (DC-2003-R2) DNS to (127.0.0.1).

http://saib-co.com/las/41.png

On (DC-2003-R2), Change (Preferred DNS server)  in properties of you Ethernet from IP Address of (DC-2003-R2) DNS to the IP Address of (DC-2012-R2)

http://saib-co.com/las/42.png

In Addition, run ( dcpromo ) Command to demote (DC-2003-R2)

http://saib-co.com/las/43.png

http://saib-co.com/las/44.png

http://saib-co.com/las/45.png

http://saib-co.com/las/46.png

http://saib-co.com/las/47.png

Then Restart your Computer.

On (DC-2012-R2), open Active Directory Users and Computers, the Raise Domain and Forest functional level to Windows Server 2008.

http://saib-co.com/las/48.png

http://saib-co.com/las/49.png

On (DC-2012-R2), open Active Directory Domain and Trusts, the Raise Domain and Forest functional level to Windows Server 2008.

http://saib-co.com/las/50.png

Now the Migration is Complete, you can test it with join a Client to the Domain.

See Also

See Also