[THIN] Re: Demoted a pdc to a bdc in a 2003 enviorment.
- From: "Braebaum, Neil" <Neil.Braebaum@xxxxxxxxxxxxxxxxx>
- To: <thin@xxxxxxxxxxxxx>
- Date: Wed, 5 Oct 2005 17:06:03 +0100
> -----Original Message-----
> From: thin-bounce@xxxxxxxxxxxxx
> [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of Joe Shonk
> Sent: 05 October 2005 16:59
> To: thin@xxxxxxxxxxxxx
> Subject: [THIN] Re: Demoted a pdc to a bdc in a 2003 enviorment.
>
> Bring up Server Manager or any other NT domain utility and
> all of your AD controllers (except for PDCe) will be labeled
> as BDCs...
That's simply because any NT domain utility doesn't understand AD, and
AD provides backward compatibility.
Doesn't mean that because the NT domain utility says so, that it's the
truth, though.
> For all downlevel clients they will see and
> authenticate with these DCs as if they were BDCs.
Agreed.
That doesn't make them so, though.
> The downlevel client itself can't distinguish between a W2k
> DC acting like a BDC or a NT 4 BDCs.
So, that doesn't make them BDCs, though, just because that's how
downlevel clients *perceive* them.
> Also, NT 4 BDCs are
> able to participate in a mixed-mode AD environment.
And? Mixed mode was only there to provide transition from an NT domain
to AD.
> Perhaps it is all semantics... Look at it from a NT Domain
> point of view, it is... Look at it from an AD point of view,
> it isn't. Some domains are mixed, others are native.
Regardless, AD DCs are not BDCs. They are simply DCs. Some are more
equal than others - some are running FSMOs, some are bridgeheads, some
are GCs.
What they aren't, is synonymous to the terms that were used in the NT
domain model, and the PDCe role is exactly that - an emulated role, used
to provide downlevel compatibility, and also to provide a logical place
where referrals can be sent.
Neil
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