Windows Server 2012 – VM Domain Controller

15 pts.
Tags:
Disaster Recovery
Domain Controller
VMware
Hi, I am looking at implementing dual VMWare servers both running duplicate VM servers. 1 server would have a Virtual Exchange server and a Virtual Domain Controller. These would be to Network storage for data and mailboxes. The second server would also have a duplicated copy of the virtual servers and pointing to a network attached storage drive containing replicated data from the first one. Is it possible to have duplicated servers running at the same time, so if one server goes down the other keeps running? Or Would it be better to have one Virtual server for DC on one machine, then exhchange on the other. Then have a virtual copy of those machines stored in a powered down state on the other machine (if that makes sense). Both would point to network attached drives for data, and a backup network drive available incase the primary goes down?

Software/Hardware used:
Windows Server 2012 standard.

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The better solution would be to put the two VMware servers in a cluster so that either server can run either or both VMs.  As you are using network storage this gives you the best high availability option.

 

You can’t configure the same VM to run at the same time on both servers.  Also you’ll want to domain controllers.  You might also want to configure high availability within the Exchange configuration so that if the exchange server goes offline users can access what they need off of the backup exchange server.

All this high availability is great, except that you’ve got a single point of failure which would be the network attached storage, unless it is redundant as well.

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