That being said, I think the most important thing for you to make sure that you're *not* doing is testing it out on your FSMO roles holder. Do it with a non-GC domain controller first, then move up to a GC and after all of your DCs are working on the paralell network for backups, I'd probably move FSMO roles over to one of them that is working and move the last GC over (then move back the FSMO roles, if you have some old software that's hardcoded to the 'PDC').
The one gotcha I have seen (only once though), was that somehow multihoming a 2000 DC corrupted a couple of registry keys. I think KB 888048 appeared a few days after the 8 hour phone call with MS. Basically the dc no longer had a DNS name. Needless to say that caused problems. But as long as you know which registry keys to change if it goes bad, you should be fine. I have seen a multitude of multihomed domain controllers since with no issues.
Kevin Brunson
From: [EMAIL PROTECTED] [mailto: [EMAIL PROTECTED]] On Behalf Of Jeff Green
Sent: Wednesday, July 12, 2006 5:43 AM
To: [email protected]
Subject: [ActiveDir] Multihomed Domain Controllers
Hi,
First posting to this list but I've lurked quite a while and I've been very impressed by
the quality of replies by the gurus.My question is regarding the advisability of having multihomed DCs. Basically I want
to run backups over a separate GbE and as my servers have dual inbuilt NICs this
seems an obvious route to take. I know there are some issues with DNS (I have
a DNS integrated AD).Would this cause replication problems, etc ?
Any other "gotchas" ?
Many Thanks,
---
Jeff Green
Network Support Manager
SAPIENS (UK) Ltd
t: +44 (0)1895 464228 f: +44 (0)1895 463098"I dream of hover cars and old transistor radios ... She dreams of flowers in a field of sunny bungalows"
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