Re: 2003 Domain Functional Level + trusts

there should be no impact on increasing the DFL

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Cheers,
(HOPEFULLY THIS INFORMATION HELPS YOU!)

# Jorge de Almeida Pinto # MVP Windows Server - Directory Services

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<digital.evasion@xxxxxxxxx> wrote in message news:1194230282.993635.268980@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Hi All,
I have been looking desperately trying to find some definitive answers
to our problem, but I never find anything specific.
First, the scenario:
We are in the process of integrating 4 separate networks (their own
domain + forest etc.) into one AD.
We have (I have changed the names for security) b.local, s.local,
m.local and t.local.
b.local is the head office, and all email lives here. Each other
office has its own file/print/AD.

Secondly, What's happening:
1. we are going to redesign the entire networks to one AD. B.local is
going to be the root domain. Other domains will be consolidated as
follows: s.local & m.local go into s.b.local, t.local goes into
b.b.local. both s.b.local and b.b.local are obviously child domains of
b.local.
2. Each Office/network has an EXTERNAL, NON TRANSITIVE trust to
b.local, and b.local has an EXTERNAL NON TRANSITIVE trust to each
office/network.
3. b.local, s.local, m.local and t.local (so ALL) are running 2000
MIXED Domain Functional Level
4. There are NO 2000 servers in any forest/domain/network anymore.

Finally, what's the Question:
Before migrating migrating users, domains etc. should/can we raise the
DFL to Windows 2000 Native or Windows 2003 without breaking/destroying
the trusts?
My understanding is that EXTERNAL Trusts don't have an impact on what
version AD you run, as its external.
My Colleague's and I cannot find a problem, fault with doing this. Are
looking in the wrong spot?
In addition should/can we raise the Forest Functional Level as well?

Many many many thanks in advance.

Lukas


.

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