In this post, you’ll learn more about the Error ERROR_VID_PARTITION_ALREADY_EXISTS – 0xC0370008 that is returned when working with the COM-based APIs in Win32
Win32 COM Error
ERROR_VID_PARTITION_ALREADY_EXISTS – 0xC0370008
Win32 COM Error Error Description
Cannot create the partition for the virtualization infrastructure driver because another partition with the same name already exists.