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I need to set-up Lync on a Server 2008 machine. The problem is that Lync cannot be set up on a Domain Controller. That means I need to have one Server 2008 that's a domain controller and another that's Server 2008 running Lync.

I figured the best way would be hosting it on a single machine, using virtual machines.

I installed Server 2008, but now my question is this. Do I add two virtual machines (Domain Controller and Lync), or do I only add one virtual machine for Lync, and the 'parent' Server 2008 can act as a domain controller?

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if this is for test purposes then just create two vm's, if this is production then you could still do this but some would say thats not a good idea but it seems like you are on a limited budget, so run to vm's. –  tony roth Oct 19 '12 at 17:17
    
@tonyroth So is it possible to have a running server with VM, or do I need two VMs? –  Eternal21 Oct 19 '12 at 18:31
    
According to the following answer, the best practice seems to be running all roles under virtual hosts: serverfault.com/questions/143161/dc-on-hyper-v-host?rq=1 So in my scenario I should run DC and Lync in their own VMs. –  Eternal21 Oct 19 '12 at 19:35
    
yes in my 1st statement I said "to" meant two :) but hopefully you are not going production with this right? –  tony roth Oct 19 '12 at 19:41

1 Answer 1

Zeroeth rule of Domain Controllers: always have at least 2 domain controllers!

First rule of Domain Controllers: don't install anything on a domain controller besides the roles to support Active Directory, antivirus and the client for your network monitoring software. This server should not serve any purpose other than being a Domain Controller. (There is a valid argument for hosting some services such as DHCP (small businesses or satellite offices) and KMS, but anything else is probably a bad idea.)

Second rule of Domain Controllers: do not virtualize all of your domain controllers. You should have at least one physical domain controller. If you run in to problems with a virtualization host server, you'll need a domain controller around to be able to log in. And Windows Failover Clustering (generally) requires a domain controller to be present to start up.

Applying the above to your situation: having the domain controller also act as the virtulization host definitely violates the first rule, and possibly the second.

Obviously if this is a test environment where you don't mind the whole thing coming down in flames all around you, feel free to ignore this advice.

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