Thanks for the posting.
The right steps:
1. System state backups of DC1 and DC2
2. Promote DC1 to GC
3. Run ADPREP processes, including forestprep and domainprep
4. Update DC1 to Windows 2003
5. Backup CA and DHCP
For backup CA, please refer to the KB:
For backup DHCP, please refer to the KB:
6. Demote DC2
7. Load Server 2003 (clean install) on DC2
8. DCPROMO DC2 to Server 2003 DC
9. Move all the FSMO roles from DC1 to DC2. Check and make sure
everything is OK.
10. Demote DC1
11. Load Server 2003 (clean install) on DC1
12. DCPROMO DC1 restore or migrate DHCP and Certificate information back
13. Run through testing procedures
I suggest you performing the above steps in test environment before
implementing in the production environment.
For Exchange, if the Exchange is still running on Windows 2000 server, we
do not need to upgrade. However, if you want to run Exchange on Windows
2003 server, we need to upgrade to Exchange 2003.
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| Thread-Topic: 2000 AD to 2003 AD Upgrade (Recomendations Wanted)
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| Subject: 2000 AD to 2003 AD Upgrade (Recomendations Wanted)
| Date: Tue, 21 Dec 2004 13:29:10 -0800
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| I am in the process of planning an 2000 AD to 2003 AD migration and was
| wondering if anyone could give me some advice on the best way to perform
| I have 2 domain controllers DC1 and DC2. DC1 holds the FSMO roles, DHCP
| server, and Enterprise Root CA for my domain. DC2 is a global catalog
| server. I'd really like to do a clean install on each server and not do
| place upgrade. My concer with DC1 is how to I migrate the Enterprise
| information. I also want to keep the same server names and IP address.
| Here is what I am thinking of doing.
| System state backups of DC1 and DC2
| Run ADPREP processes
| Demote DC2
| Load Server 2003 (clean install) on DC2
| DCPROMO DC2 to Server 2003 DC
| Demote DC1
| Load Server 2003 (clean install) on DC1
| DCPROMO DC1 restore or migrate DHCP and Certificate i