AD domain name change/migration

I have inherited network administration with single label domain name,
currently on 2003 level. There is many issues with running single label
domain which I do not want to go over here, we have lot of projects in near
futer that are required to install AD integrated software and before we will
proceed with this project I'd like to upgrade domain to 2008 and at the same
time use new FQDN so here is my dilema which way to go:
1. create new 2008 domain and migrate users, objects, etc. using MS
migration tool
2. rename existing 2003 domain then upgrade to 2008
3. upgrade existing to 2008 and rename

I think opt. 1 would be the cleanest one but would like to confirm and ask
for any good references how to do this step-by-step
we run DFS and CA from list of potentially affected solutions, no exchange
srv.

comments?

Hello RW,

For 1 see ADMT v3.1 installed on Windows server 2008 and yes it will be the
cleanest solution:
http://www.microsoft.com/downloads/d...displaylang=en

http://www.microsoft.com/downloads/d...displaylang=en

http://www.microsoft.com/downloads/d...displaylang=en

http://www.microsoft.com/downloads/d...displaylang=en

For 2:
http://technet.microsoft.com/en-us/l...75(WS.10).aspx

http://technet.microsoft.com/en-us/l...08(WS.10).aspx

http://techrepublic.com.com/5208-623...229757&start=0

For 3:
http://technet.microsoft.com/en-us/l...31(WS.10).aspx

If a CA is installed on a domain controller domain rename would not be possible,
doesn't matter if Windows server 2003 or Windows server 2008 is used. Here
are the CA parts form the links above.
2003:
"Certification authorities (CAs): Management of enterprise certificates through
a domain rename procedure requires that CAs not be installed on domain controllers
and that they be configured with appropriate Uniform Resource Locators (URLs)."

2008:
"The CAs are not installed on domain controllers"

Best regards

Meinolf Weber
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> I have inherited network administration with single label domain name,
> currently on 2003 level. There is many issues with running single
> label
> domain which I do not want to go over here, we have lot of projects in
> near
> futer that are required to install AD integrated software and before
> we will
> proceed with this project I'd like to upgrade domain to 2008 and at
> the same
> time use new FQDN so here is my dilema which way to go:
> 1. create new 2008 domain and migrate users, objects, etc. using MS
> migration tool
> 2. rename existing 2003 domain then upgrade to 2008
> 3. upgrade existing to 2008 and rename
> I think opt. 1 would be the cleanest one but would like to confirm and
> ask
> for any good references how to do this step-by-step
> we run DFS and CA from list of potentially affected solutions, no
> exchange
> srv.
> comments?
>