Understanding Hyper-V Checkpoints on Windows Server 2016

1. What are the two types of checkpoints supported by Hyper-V running on Windows Server 2016 host?

The two types of checkpoints supported by Hyper-V running on Windows Server 2016 host are Standard Checkpoints and Production Checkpoints.

Standard Checkpoints

Standard Checkpoints capture: the state, data, and hardware configuration of the running VM. They provide a quick and easy way to restore a VM to its previous state or troubleshoot it.

Production Checkpoints

Production Checkpoints use backup technology: inside the VM to create a VM checkpoint. They save memory state, configuration files, application data, and other information, including the state of all virtual machine disks. They are primarily intended for VMs running a supported OS and are used for application-aware backup and restore scenarios.

2. True or False. You can edit the first virtual hard disk of a guest virtual machine with checkpoint or snapshot enabled.

False. Once a virtual machine has a checkpoint or snapshot enabled, the first virtual hard disk of a guest virtual machine is write-protected.

When a checkpoint or snapshot is taken, Hyper-V creates a differencing disk that stores all write operations on the VM’s disk during that time. The differencing disk is chained to the parent virtual hard disk, making it read-only to maintain the state at the time the snapshot was taken.

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