As you are a network admin, I'll lead with the simplest solution and won't mention that said server does not have the be the DHCP/DNS source. A common router which many businesses use can do that.
Bob
We have been running Small Business Server 2003 R2 for some years now, and our server is getting older. We are moving our emails into the could now (not hosted Exchange because we don't need it) so we won't need to run exchange on our server any more. I'm also considering installing a Rackmount NAS for our files instead of storing them on our server.
I would still like to keep a server (maybe upgrade to Server 2012 Essentials if needed) for things like backups, running the security center, managing users (administrators, power users, user...), etc.
How can I set that up so I can have a server, but in case the server is down, I want all clients to still have access to the NAS and the internet.

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