Unlike nt, with 2k Any dc can modify the AD database (add users, change pw,
etc) so if the dc that held the "pdc emulator fsmo role" crashed, and a
restore wasn't successful, then the "pdc role" could be seized by another dc
(not getting into all of the details of this but articles below do). All 2k
dc's are Equal, except that one or more can hold one or more of the 5 fsmo
roles, and those can be moved to other dc's as needed/desired.
To save your AD info you need to have a full backup Including System State.
Ntbackup and all of the others will have some option/selection that will
include teh system state. That is the heart of AD.
Unless the budget is just not there, always recommend having at least two
dc's.
328150 HOW TO: Perform Complete Backups of the Windows 2000 Server Operating
http://support.microsoft.com/?id=328150
263532 How to perform a disaster recovery restoration of Active Directory on
a
http://support.microsoft.com/?id=263532
223346 FSMO Placement and Optimization on Windows 2000 Domain Controllers
http://support.microsoft.com/?id=223346
197132 Windows 2000 Active Directory FSMO Roles
http://support.microsoft.com/?id=197132
324801 HOW TO: View and Transfer FSMO Roles in Windows Server 2003
http://support.microsoft.com/?id=324801
255504 Using Ntdsutil.exe to Seize or Transfer FSMO Roles to a Domain
Controller
http://support.microsoft.com/?id=255504
--
David Brandt
Microsoft Corporation
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