Setting up Network Via a DataCenter Q1

Okay everyone,

This is going to be part 1 of a couple of questions. I didn't want to create 1 post with multiple question b/c I feel that the experts to get full credit for their answers.

Scenario:
I currently have 10 different offices that I support, each office runs independent.
Each office has either 1 or 2 servers and any where from 10 -45 pcs per office.

Idea:
In order to better Centrally manage everyone I want to do away with their server and connect them all to one network and seperate them via OU's.
I have been researching data centers and the prices aren't too bad to maintain 1 or 2 servers at the data center for Active Directory,DNS,DHCP and even a central backup server.

Question # 1:
What would be the best setup for something like this?
dakeysAsked:
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QuoriCommented:
Go for an MPLS-VPN solution with a provider that will lease you rack space in one of their POPs.
In said rackspace, install 2 x servers and on these balance creation of shared resources - 2 x AD controllers, both running DNS. Or you can use 2 x VMWare ESX nodes if you plan on expanding what you place at the datacentre.

At each remote site, either run an AD controller with DNS or just DNS. Keep DHCP at the remote sites.

You don't want to completely do away with their local resources. Otherwise you'll be looking at very hefty fees for suitable WAN links for file usage, etc. Not to mention complete isolation should the link go down.
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dakeysAuthor Commented:
you said "At each remote site, either run an AD controller with DNS or just DNS. Keep DHCP at the remote sites."

So your saying I should run a server at the location that runs AD with DNA & DHCP?

also
"You don't want to completely do away with their local resources. Otherwise you'll be looking at very hefty fees for suitable WAN links for file usage, etc. Not to mention complete isolation should the link go down."

So I guess it wouldn't be a good idea to run 1 master file server at the Data Cebter for multiple offices?




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QuoriCommented:
Not unless you plan to have 20mbit of connectivity to every office. You'd be best off with one or two servers at each site, using DFS to replicate data between them all.

Yes, you should have a server at each location running AD + DNS. Doesn't matter if you run DHCP on a server, switch or other infrastructure, just avoid doing it across the WAN.
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dakeysAuthor Commented:
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QuoriCommented:
Yes, it would.

But again, if the link goes down its all over with the added fun of if there are VPN issues, its all over (including DNS, so no internet usage while VPN is down also).
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