MSFT0101 is the related to core power and performance counters. It allows the guest OS to request specific power states from the hypervisor. Because it's a synthetic device, the driver is typically included in Integration Services (for Hyper-V) or VMware Tools (for VMware).
The device is part of (also called InstantGo or S0 Low-Power Idle ). It is a virtual power management component that helps coordinate low-power states, network connectivity in sleep, and wake-on-voice or wake-on-activity features. acpi ven-msft amp-dev-0101
On Windows 7, this device may appear as "Unknown" because that OS does not support TPM 2.0 natively without specific hotfixes. Management and Verification To verify the status of this device on your machine: Open Device Manager . Expand the Security devices section. MSFT0101 is the related to core power and