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Since the nodes of a cluster must have the same hardware and software configuration, the updates will need to be installed through the "Cluster-Aware Updating (CAU)" console.

Since Windows Server 2012 R2, there is a new feature called "Dynamic witness" that allows to dynamically manage the voting right of the witness disk or share.

Configuring your cluster quorum is important for your cluster to function properly and for as long as possible.

Managing quorum and witness disk or share is very important when creating the cluster, because your cluster depends on it.

With failover clusters, you can offer many highly available services, such as file servers, iSCSI servers, DHCP servers, ...

With MPIO, you can use multiple paths to access resources of your iSCSI server and distribute the network load across multiple links.

Although file transfer is not possible by default, it can be enabled through integration services or extended session mode.

The snapshots (or checkpoints) allow you to save different states of a virtual machine to restore it in a few clicks.

With Generation 2 virtual machines running Hyper-V, you'll be able to take advantage of EFI firmware, secure boot and network boot (PXE).

Hyper-V is the hypervisor created by Microsoft available on Windows Server and in client versions of Windows.

VMware ESXi 6.5 is VMware's new virtualization server and now has a web interface to configure and secure it.

When you use a VMware ESXi virtualization server in production, it's important to secure it with a valid SSL certificate.