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A root partition is a type of partition within the Windows Hyper-V virtualization environment that is responsible for running the hypervisor. The root partition enables the execution of primary hypervisor software and manages the machine level operations of the hypervisor and created virtual machines.
Techopedia Explains Root Partition
The root partition primarily provides the logically isolated space for the hypervisor. It requires computing, memory and storage capacity to store and execute the hypervisor. The root partition can access the host machine directly and provide functions such as interfacing with the host machine for device drivers, power management and the addition and removal of devices. The root partition works with the parent partition to create child partitions for all the virtual machines.
The root partition is generally considered the parent partition; however, it is actually a logically distributed partition for hypervisor-specific operations.
