How to migrate a complex NT4 network

Volker Lendecke Volker.Lendecke at SerNet.DE
Fri Nov 28 10:32:42 GMT 2003

On Thu, Nov 27, 2003 at 08:11:05PM +0100, Raphaël Berghmans wrote:
> 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
> machines). 

My general strategy with this is always:

First leave the NT4 domain in place and get *everything* else off the
NT machines. This leaves them as DC's and netlogon-providers only. If you
are confident enough with Samba, install the basic infrastructure to
openldap-replicate, test that. And then, as the very last step, the
vampire-migration is probably the easiest part. With a proper WINS setup for
the then very short migration period you can safely simply switch off the BDCs
without disrupting your domain.

Just my 2 cents.


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