Re: Fallback to NT4 - Clients won't talk to Domain
From: Herb Martin (news_at_LearnQuick.com)
Date: 07/07/04
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Date: Wed, 7 Jul 2004 10:38:25 -0500
The registry entry is the one he mentioned and is apparently
only useful BEFORE the upgrade.
-- Herb Martin "Paul" <country-air@news.postalias> wrote in message news:27ecc01c4640a$ea789c80$a501280a@phx.gbl... > Herb - did you have that registry entry, please? Or did > the message from MS scupper it? > > Paul > > > >-----Original Message----- > >"Paul" <country-air@news.postalias> wrote in message > >news:25e6001c4627f$57765d00$a601280a@phx.gbl... > >> We have been experimenting in the lab with the UPGRADE > >> route for converting our NT4 domain to Active Directory. > >> One of the reasons we were attracted to this route was > the > >> claimed ability (in the Migration Cookbook) to fallback > to > >> the original domain by removing the new W2K DCs and > >> replacing with the stored NT4 PDC. This all works OK, > >> except... > >> > >> Any WXP client which has logged in to the new AD doesn't > >> want to play with the 'fallen'back' NT4 domain. It says > >> that it can't find a [NT4] domain controller. Indeed, > the > > > >There is a feature/setting in XP that causes it to "latch > onto" > >Win2000+ DCs. > > > >It's a registry entry to put it back -- someone will post > it > >today or tomorrow in this thread, but you can look it up > on > >the MS website through search Google with something like: > > > > [ site:microsoft.com XP 2000 | 2003 DC BDC | PDC > registry] > > > >I don't know if that will get it to the top but it will > likely be in > >there somewhere. > > > >Oh, and it's a "feature" because this lets the news > clients get > >their Group Policy and full AD benefits. > > > >-- > >Herb Martin > > > > > >"Paul" <country-air@news.postalias> wrote in message > >news:25e6001c4627f$57765d00$a601280a@phx.gbl... > >> We have been experimenting in the lab with the UPGRADE > >> route for converting our NT4 domain to Active Directory. > >> One of the reasons we were attracted to this route was > the > >> claimed ability (in the Migration Cookbook) to fallback > to > >> the original domain by removing the new W2K DCs and > >> replacing with the stored NT4 PDC. This all works OK, > >> except... > >> > >> Any WXP client which has logged in to the new AD doesn't > >> want to play with the 'fallen'back' NT4 domain. It says > >> that it can't find a [NT4] domain controller. Indeed, > the > >> client's domain name has 'automatically' changed to the > >> name of the AD domain and also the preferred DNS server > >> has been altered. The event log says specifically that a > >> downgrade is being attempted, and it is necessary for > the > >> client to rejoin the NT4 domain. > >> > >> Have we missed something? The Cookbook seems quite > >> insistent that you can fall back in this manner! Is > there > >> an easy way to move all the clients back to the NT4 > domain > >> without visiting them all? > >> > >> Incidentally, if we did find a way to rejoin the NT4 > >> domain for all our clients, then presumably we wouldn't > be > >> able to re-migrate them to AD without starting from > >> scratch, because the upgraded W2K DC would no longer > have > >> valid machine accounts for the clients (different SIDs)? > >> > >> Paul > > > > > >. > >
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