In this post, you’ll learn more about the Error ERROR_HV_INVALID_HYPERCALL_INPUT – 0xC0350003 that is returned when working with the COM-based APIs in Win32
Win32 COM Error
ERROR_HV_INVALID_HYPERCALL_INPUT – 0xC0350003
Win32 COM Error Error Description
The hypervisor does not support the operation because the encoding for the hypercall input register is not supported.