How to migrate a complex NT4 network

Raphaël Berghmans rberghmans at
Thu Nov 27 19:11:05 GMT 2003

On Thu, 2003-11-27 at 19:55, John H Terpstra wrote:
> On Thu, 27 Nov 2003, [ISO-8859-1] Raphaël Berghmans wrote:
> > Hi,
> >
> >
> > We have on a central site a NT4 PDC and a NT4 BDC and on 6 secondary
> > sites we have a BDC on each site (the authentication for the
> > workstations on those remotes sites occurs on the local BDC and not on
> > PDC).
> >
> > Which could be the best way to migrate this environment to a
> > SAMBA-3.0.0/LDAP environment. But we cannot intervene on each 1600
> > workstations. Then the migration has to be the most transparently as
> > possible for the users.
> Your configuration is typical of many. The samba-3 migration facility (net
> rpc vampire) should work fine. You should be able to run it against the
> local BDC - though I have not tested that.

Indeed the SAM migration is very simple with vampire. But Samba cannot
made realtime synchronization with a NT4 PDC and how to manage the
modifications. Made a vampire each time a modification has been done on
the PDC is a little bit tricky (with 1600 users, 500 groups and 1700

> If you need help just ask. I am writing a follow up book to the
> Samba-HOWTO-Collection (The Official Samba-3 HOWTO and Reference Guide)
> called "Samba-3 by Example" and will have a chapter in there that will
> provide detailed presecriptive guidance on the migration process.
> If you like we could use your migration opportunity as the basis for the
> case study in the book.
> - John T.

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