Hello Adi,
Forgot one question, is your domain name in the format DOMAIN.TLD or only
DOMAIN, which is single label and should be avoided?
Let's devide the upgrade/migration in 3 parts, 1. AD, 2. Exchange installation/removal
and 3. Demoting the old DC.
1. AD:
!!!NEVER START BEFORE HAVING CREATED AND TESTED A BACKUP OF YOUR DATA/MACHINE!!!
- no other roles/apps then DC, Exchange, DNS/DHCP are running on the 2003
server i assume. If there are more post them here.
- 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, dcdiag and netdiag 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 2003 installation disk.
- run adprep /forestprep and adprep /domainprep and adprep /rodcprep from
the 2008 installation disk against the 2003 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 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/l.../cc772372.aspx)
2. Exchange:
- for 2008 servers you need Exchange 2007 SP1
- single label domain name is supported with Exchange 2007 SP1 (
http://msexchangeteam.com/archive/20...26/448511.aspx)
- first check this one (
http://support.microsoft.com/kb/555854)
- this 3 part article includes a complete transition from 2003 to 2007 (
http://www.msexchange.org/tutorials/...007-Part1.html)
3. Demoting
Demoting the old DC, FIRST you have to move exchange to the new one and THEN
uninstall Exchange then from the 2003 DC as stated in the artilces about
transitioning!!!
- 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 promotion
Best regards
Meinolf Weber
Disclaimer: This posting is provided "AS IS" with no warranties, and confers
no rights.
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http://www.blakjak.demon.co.uk/mul_crss.htm
> "Meinolf Weber" wrote in message
> news:. com...
>
>> Hello Adi,
>>
>> Even if you find a posting which comes near to you it will be better
>> to create your own. Then it will be recognized as a new one and i
>> think read more often then "running" postings.
>>
> Ok, I will remembre that. Thank you.
>
>> Please give some more infos, you have one running DC 2003 with
>> exchange
>> 2003 or Exchange 2000?
>> Which service packs are you running for OS and Exchange, are they
>> fully
>> updated?
> I have DC running on w2k3 fully updated with latest service pack.
> Exchange 2003 sp2.
>
>> Hopefully for the new OS/Exchange you have two servers, one DC and
>> one member server. Exchange on a DC is not recommended for
>> performance reasons, especially 2007. Be aware that you need to use
>> 64bit version from 2008 to install Exchange 2007.
>>
> Yes, I would like to separate roles to differents servers to avoid bad
> response times in outlook, security reasons, backup flexibility etc...
> I know also that exchange 2007 is available only in 64 bits
> architecture.
>