Windows Server - 2003 Server: Changing from 2000 mixed mode to 2003 mode

Hello,

In the same domain, 2 DCs with replication. Both are currently in 2000 mixed
mode and I have to raise them to 2003 mode.

1/ is it enough that I do it only on one of them and through replication the
second will be automatically raised?

2/ As I must do it on a production server, is there something to consider
before, to be sure that all goes well?

Thanks. Hubert

Hello hretif,

Before starting use the support tools to check that the domain is healhty:
dcdiag /v /c /d /e /s:dcname >c:\dcdiag.txt
netdiag /v >c:\netdiag.txt [from each DC, netdiag may work but is not supported
with Windows server 2008 and higher]
repadmin /showrepl dc* /verbose /all /intersite >c:\repl.txt (if more then
one DC exists)
dnslint /ad /s "DCipaddress" (http://support.microsoft.com/kb/321045)

If everything is error free make sure you have an up-to date- AD aware backup
and then you can raise the functional levels. This has to be done through
AD UC, AD domains and trusts and the Schema management console if you use
the GUI way. For command line it can be done with ntdsutil:
http://support.microsoft.com/kb/322692/en-us

Best regards

Meinolf Weber
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Hello Meinolf,

Thanks a lot for your answers.

I have run all commands as recommended. I do not see failures except with DNS
(end of KRZ\dcdiag.txt). I am wondering why it tries to resolve these
adresses...

AD Backup has been done, with ntbackup.exe / Sytem State. Is it enough? I
have done it on both DCs and file size is slightly different.

To raise the functional level you write:
This has to be done through AD UC, AD domains and trusts and the Schema
management console if you use the GUI way
Is it not enough to use the GUI way? (the snapshot in "test and raise
DC.pdf"). Must I do it on both DC?

I have one Server 2003 Standard SP1 and the other is Server 2003 R2 Standard
SP2. Could it be a problem?

And last question: may I do this remotely or would it be better to be on
site?

Best regards
Hubert



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