Hello Brantley,
You can not do an inplace upgrade, only possible with 2003 SP1 and higher.
See this way:
!!!NEVER START BEFORE HAVING CREATED AND TESTED A BACKUP OF YOUR DATA/MACHINE!!!
One question first:
Is there also an Exchange server in the domain? If yes which version and
on what server role?
- On the old server open DNS management console and check that you are running
Active directory integrated zone (easier for replication, if you have more
then one DNS server)
- run replmon from the run line or repadmin /showrepl, dcdiag and netdiag
from the command prompt on the old machine to check for errors, if you have
some post the complete output from the command here or solve them first.
For this tools you have to install the support\tools\suptools.msi from the
2000 installation disk.
- run adprep /forestprep and adprep /domainprep and adprep /rodcprep from
the 2008 installation disk against the 2000 schema master, with an account
that is member of the Schema admins, to upgrade the schema to the new version
(44), you can check the version with "schupgr" in a command prompt.
- Install the new machine as a member server in your existing domain
- configure a fixed ip and set the preferred DNS server to the old DNS server
only
- run dcpromo and follow the wizard to add the 2008 server to an existing
domain, make it also Global catalog.
- if you are prompted for DNS configuration choose Yes. If not, install DNS
role after promotion.
- for DNS give the server time for replication, at least 15 minutes. Because
you use Active directory integrated zones it will automatically replicate
the zones to the new server. Open DNS management console to check that they
appear
- if the new machine is domain controller and DNS server run again replmon,
dcdiag and netdiag (copy the netdiag from the 2003 to 2008, will work) on
both domain controllers
- Transfer, NOT seize the 5 FSMO roles to the new Domain controller (
http://support.microsoft.com/kb/324801
applies also for 2008)
- you can see in the event viewer (Directory service) that the roles are
transferred, also give it some time
- reconfigure the DNS configuration on your NIC of the 2008 server, preferred
DNS itself, secondary the old one
- if you use DHCP do not forget to reconfigure the scope settings to point
to the new installed DNS server
- export and import of DHCP database for 2008 choose "netshell dhcp backup"
and "netshell dhcp restore" command (
http://technet.microsoft.com/en-us/library/cc772372.aspx)
- for additional DC's choose the same way, except the FSMO, DHCP and WINS
part
Demoting the old DC's
- reconfigure your clients/servers that they not longer point to the old
DC/DNS server on the NIC
- to be sure that everything runs fine, disconnect the old DC from the network
and check with clients and servers the connectivity, logon and also with
one client a restart to see that everything is ok
- then run dcpromo to demote the old DC, if it works fine the machine will
move from the DC's OU to the computers container, where you can delete it
by hand. Can be that you got an error during demoting at the beginning, then
uncheck the Global catalog on that DC and try again
- check the DNS management console, that all entries from the machine are
disappeared or delete them by hand if the machine is off the network for ever
- also you have to start AD sites and services and delete the old servername
under the site, this will not be done during demotion
Best regards
Meinolf Weber
Disclaimer: This posting is provided "AS IS" with no warranties, and confers
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