It's going depend on how much you need AD for in the environment. Chances are, if you're a small enough AD to have one DC, that DC is going to have everything on it that AD needs and probably, anything that is going to actually require AD to function. Clients can/will use cached logon credentials for user login, although shared resources on other workstations may become unavailable unless the credential was cached before AD went down (assuming you're allowing workstations to cache X number of local logon credentials]. Assume you're pointing your clients to an off site DNS as well otherwise they'll be SOL waiting for something to be done. Services which need the GC are going to be hosed even if DNS is working if your only DC is down.
Mark A. Lappin, CCNA, MCITP: Enterprise Administrator | Lee Michaels Fine Jewelry Director of Information Technology 11314 Cloverland Ave | Baton Rouge, LA 70809 Ph: 225.291.9094 ext 245 | Fax: 225.368.3675 | Mobile: 225-362-2770 www.lmfj.com <http://www.lmfj.com/> [http://www.lmfj.com/images/lmfjsig.gif] ________________________________ This communication is privileged and confidential. If you are not the intended recipient, please notify the sender by reply e-mail and destroy all copies of this communication . From: [email protected] [mailto:[email protected]] On Behalf Of Dustin Puryear Sent: Friday, October 01, 2010 4:24 PM To: [email protected] Subject: Re: [brlug-general] Offsite DNS hosting for Active Directory Actually, that's not true. From: [email protected] [mailto:[email protected]] On Behalf Of Tim Fournet Sent: Friday, October 01, 2010 2:29 PM To: [email protected] Subject: Re: [brlug-general] Offsite DNS hosting for Active Directory Even if you've got the DNS portion of Active Directory replicated, when the rest of AD comes crashing down, you're going to have major work-stopping outages happening pretty quickly. Why not just bring up offsite hosted full domain controllers?
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