Here is the migration scenarios when you perform a migration from Windows 2003 DC to windows 2008 DC
Pre-condition before perform migration (in-place upgrade)
– Minimum Windows 2003 SP1
– No cross-platform migration x86 to x64 (common sense 🙂 )
– Standard edition can be upgraded to Windows 2008 Std and Ent (if 64 bit then you can look into WIndows 2008 R2)
– Enterprise Edition can only be upgraded to Windows 2008 Enterprise edition.
– Datacenter Edition can only be upgraded to Windows 2008 Datacenter edition
Next are the steps for migrating to Windows 2003 AD to Windows 2008 AD
– Go to windows 2008 installation folders , example d: is the drive letter
– You must have your windows 2003 AD run in minimum windows 2000 native mode.
Prepare the forest
d:sourcesadprep
Since you are going to run a command-line, you can go to CMD and go to the folder location above
d:sourcesadprep
and then type adprep /forestprep
Type C to continue…
Execution Screen, how it looks like when the command-line is entered
The last screen indicated that the command has completed successfully
Next steps is to prepare the domain
type adprep /domainprep
If you are preparing a Read only Domain , the proceed to run the following command-line
type adprep /rodcprep
If not, you can proceed to run setup.exe this will perform an in-place upgrade for Windows 2008
Double click setup.exe to begin the upgrading to Windows 2008
Depend whether the existing windows 2003 have an internet connection, you can download the latest
patch and updates from the internet, otherwise you can click the option “Do not get the latest update xx”
Select The O/S that you want upgrade to, here we select the Windows Server 2008 Standard
Click the accept check-box to accept the terms and conditions
Warning of software compatibility issues
Perform Upgrading by copying the windows files
Gathering Files
Expanding Files
Installing Features and Updates and some restarts which are required
Once, please do not attempt to reboot from the windows 2008 DVD
Completing upgrade
Here you go, windows 2008 domain controller after an in-place upgrade from Windows 2003 Domain Controller.
One more booting…