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Systems & Data Center · Intermediate

Hyper-V Generation 2 VM

A Hyper-V VM type using UEFI firmware, Secure Boot, SCSI boot and synthetic devices, versus legacy BIOS-based Generation 1.

Definition

Generation 2 VMs boot faster, support Secure Boot, vTPM, larger boot disks and PXE on standard network adapters. Generation cannot be changed after creation. Generation 1 is needed only for older guest OSs.

Example

New-VM -Name app01 -Generation 2 creates a UEFI-based VM.

Exam tip

Shielded VMs and vTPM require Generation 2; generation cannot be changed later.

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