Starting from Windows Server 2012 R2 it  became possible to deploy a domain controller as a VM. Having an only DC as a VM is not the best idea, since VMs cannot be started if StarWind High-Availability device, where VMs are located, is unavailable. Unavailability of the DC may cause connection or authorization issues, which makes impossible to get StarWind Virtual SAN working. There is a vicious circle, which takes a lot of time to break it.


The situation described above can be avoided if the DC is deployed as bare metal server or as a VM outside the StarWind High-Availability device. Or, at least, a replica of the DC should be outside the HA device to make possible the start of the Microsoft Failover Cluster if it depends on the DC.

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