KB ID 0001390
If you have a Hyper V cluster, then you should add virtual machines with ‘Failover Cluster Manager’ but if someone does not, (i.e. they add them directly to a host), then you wont see them in the list! So how do you add them in?
In Cluster Failover Manager > Right Click the failover node > Configure Role.
Scroll down and select Virtual Machine > Next.
Non clustered VM’s will be shown select the VM(s) as required > Next.
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