Windows Server 2008 Thread, Read-only domain controllers and disaster recovery in Technical; I'm planning to move our backup server from $current_remote_location to $other_remote_location_that's_better_suited.
As part of that (and a larger planned 2008R2 ...
11th June 2010, 06:12 PM #1
Read-only domain controllers and disaster recovery
I'm planning to move our backup server from $current_remote_location to $other_remote_location_that's_better_suited.
As part of that (and a larger planned 2008R2 upgrade) I'm pondering the benefit of adding a lightweight rodc to the mix. I'm aware I'd have to pre-cache passwords and any locked out accounts would stay that way until it spoke to a writeable dc. But it would mean faster appropriate access to anything I can make available from backup.
Anyone done/planned this? Is it worth it? It would mostly be a time cost (re-used hardware).
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11th June 2010, 06:38 PM #2
Why a RODC and not a standard DC?
11th June 2010, 09:32 PM #3
tbh I would have to ponder that too, there are very few scenarios I can see them be a benefit, high latency offices for example possibly but its not like fibre/lan has any latency and if your dcs have plenty of ram they are all very quick anyway.
I just dont know if you would get a benefit from it unless you remote links are slow.
11th June 2010, 09:51 PM #4
RODC as opposed to a writeable one because of the location. It's secure enough for a repo of encrypted backups (Backups are encrypted before being moved to the remote backup server and you can't decrypt them by just possessing the backup server or logins to backup server), but not (IMO) a DC where stuff can be changed.
The benefit is the DR element. Main school building has burned down / inaccessible / flooded / invaded by fibre-eating hamsters. If I have a remote DC holding a record of everyone's username/passwords/permissions, I can restore a fileserver to a VM, make DHCP available and everyone can magically start logging in on their laptops in said remote building.
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