(No major updates with 2019)Cluster Failover Manager in Server 2012 has an option to enable heartbeat monitoring for individual vms (Enable heartbeat monitoring for the virtual machine under vm properties). If the heartbeats stop, indicating that virtual machine has become unresponsive, the cluster is notified, and can attempt to restart the clustered virtual machine or fail it over. In Server 2012 R2 this function has been enhanced to also monitor specific services and applications within virtual machines.