Can you have 2 NLB VM's running on a windows 2012 failover cluster ?

Posted on 2014-08-11
Last Modified: 2014-08-11
We have a 2 node failover cluster running on 2 x Windows 2012 servers.
Is it possible to have two of the guest VM's which are running Windows 2012 IIS Web Servers run a network load balance?
I've been told you cant run NLB on a failover cluster but what if the NLB is running on the guest VM's?
Question by:pcstech-mwarren
    LVL 24

    Expert Comment

    You can install seperate OS as VM guest  you can install NLB and load balance your traffic
    LVL 56

    Accepted Solution

    It is a quirky thing to set up and isn't considered a best practice, but yes, you can set up NLB on hyper v guests and have it both work and be supported. You'd probably want to spread your NLB guests across your cluster nodes, lock VMs to their respective hosts though and not live-migrate them or allow the cluster to drain them to another node. The way hyper-v handles networking would wreak havoc on the way NLB tries to load balance.

    Author Comment

    Thanks Cliff , would it be best practise to run the NLB on 2 physical servers ?
    LVL 56

    Expert Comment

    by:Cliff Galiher
    Yes. That is best practice.

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