Step by step guide to migrate and move roles from server 2003 domain to server 2008 R2 domain

in my organization we are planning to migrate existing domain controller server 2003 to Server 2008 R2 ,after a short period  we are successfully transferred this task ,here i list the procedure we are done in the servers,my server details are follows

1.Domain name:Spidersoft.in
2.Server 2003 name:justinjacob
3.Server 2008 R2 Name:webutility

Now start the installation procedure
 

1.Install a new server 2008 R2 server

2.Install service pack and critical updates

3.Add the machine to existing domain (This procedure is exactly the same as joining a workstation to the domain.)
4.Insert the Windows Server 2008 R2 media into your current server (server 2003)

open a command prompt and go to CD drive sources\adprep Folder
type

First run “ForestPrep”-Update forest information,Execute the command

It will display Adprep Warning “Before running Adprep,all windows 2000 active directory domain controllers in the forest should be upgraded to windows 2000 SP4 or later”
If all your exisitng windows 2000 active domain controllers meet this requirements type “c” and Enter

After completion Run

Execute

Execute

After
Promote the new server as a Domain Controller for the domain
Enter dcpromoon server 2008 R2, at a command prompt and follow the wizard. When prompted











The current FSMO role configuration for your network can be found by running the command at a command prompt on a Domain Controller.

Find current domain controllers

Now we can transfer roles from server 2003 to 2008
Transfer the Schema Master Role
Use the Active Directory Schema Master snap-in to transfer the schema master role. Before you can use this snap-in, you must register the Schmmgmt.dll file.
Register Schmmgmt.dll

Click Start, and then click Run.
Type regsvr32 schmmgmt.dll in the Open box, and then click OK.
Click OK when you receive the message that the operation succeeded.

Transfer the Schema Master Role

Click Start, click Run, type mmc in the Open box, and then click OK.
On the File, menu click Add/Remove Snap-in.
Click Add.
Click Active Directory Schema, click Add, click Close, and then click OK.

In the console tree, right-click Active Directory Schema, and then click Change Domain Controller.
Click Specify Name, type the name of the domain controller that will be the new role holder, and then click OK.

In the console tree, right-click Active Directory Schema, and then click Operations Master.
Click Change.
Click OK to confirm that you want to transfer the role, and then click Close.

Transfer the Domain Naming Master Role

Click Start, point to Administrative Tools, and then click Active Directory Domains and Trusts.
Right-click Active Directory Domains and Trusts, and then click Connect to Domain Controller.

Select the New domain controller server

In the console tree, right-click Active Directory Domains and Trusts, and then click Operations Master.

Click Change.
Click OK to confirm that you want to transfer the role, and then click Close.

Transfer the RID Master, PDC Emulator, and Infrastructure Master Roles

Click Start, point to Administrative Tools, and then click Active Directory Users and Computers.
Right-click Active Directory Users and Computers, and then click Connect to Domain Controller.
In the console tree, right-click Active Directory Users and Computers, point to All Tasks, and then click Operations Master.

Click the appropriate tab for the role that you want to transfer (RID, PDC, or Infrastructure), and then click Change.

Click OK to confirm that you want to transfer the role, and then click Close.
Now open a command prompt and type

If all are successful it will display the new server details

After we need to depromote Old server 2003 run DCPROMO on server 2003 machine

LEAVE THIS ABOVE BOX UNCHECKED, this will enable windows 2003 domain controller transfer all AD database to windows 2008 domain controller.

Complete the wizard , wait until demotion completed.