What are the differences between Generation 1 and Generation 2 virtual machines?
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There are two generations of Hyper-V virtual machines — Generation 1 and Generation 2. The choice of VM generation is important when a VM is created; this choice is also dependent on the guest operating system, the host operating system, boot methods and other factors. Generation 2 machines are newer than Generation 1 machines, although sometimes Generation 1 machines may be required for use. This blog post explains the differences between Hyper-V generation 1 vs 2 virtual machines, in order to help you make the right choice to meet your requirements. Show
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What is a generation 1 VM?Gen 1 VMs have a virtual IDE controller that can be used for booting a VM from the IDE virtual disk. Virtual SCSI controllers can only be recognized after installing Hyper-V Integration Services on the guest OS on the VM.
What is a Generation 2 VM?Generation 2 virtual machines have a simplified virtual hardware model, and supports Unified Extensible Firmware Interface (UEFI) firmware instead of BIOS-based firmware. The majority of legacy devices have also been removed from generation 2 virtual machines.
What is the difference between Type 1 and Type 2 hypervisors What are the different use cases for virtualization What are their benefits?Type 1 hypervisor is a hypervisor that runs directly on the host's hardware to control the hardware and to manage guest operating systems while Type 2 hypervisors run on a conventional operating system just as other computer programs do. Thus, this is the main difference between Type 1 and Type 2 Hypervisor.
What are the two types of virtual machine?Users can choose from two different types of virtual machines—process VMs and system VMs: A process virtual machine allows a single process to run as an application on a host machine, providing a platform-independent programming environment by masking the information of the underlying hardware or operating system.
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