虛擬硬碟會使用下列結構（VHD）：
- APPLY_SNAPSHOT_VHDSET_PARAMETERS
- ATTACH_VIRTUAL_DISK_PARAMETERS
- COMPACT_VIRTUAL_DISK_PARAMETERS
- CREATE_VIRTUAL_DISK_PARAMETERS
- DELETE_SNAPSHOT_VHDSET_PARAMETERS
- EXPAND_VIRTUAL_DISK_PARAMETERS
- GET_VIRTUAL_DISK_INFO
- MERGE_VIRTUAL_DISK_PARAMETERS
- MIRROR_VIRTUAL_DISK_PARAMETERS
- MODIFY_VHDSET_PARAMETERS
- OPEN_VIRTUAL_DISK_PARAMETERS
- RAW_SCSI_VIRTUAL_DISK_PARAMETERS
- RAW_SCSI_VIRTUAL_DISK_RESPONSE
- SET_VIRTUAL_DISK_INFO
- STORAGE_DEPENDENCY_INFO
- STORAGE_DEPENDENCY_INFO_TYPE_1
- STORAGE_DEPENDENCY_INFO_TYPE_2
- TAKE_SNAPSHOT_VHDSET_PARAMETERS
- VIRTUAL_DISK_PROGRESS
- VIRTUAL_STORAGE_TYPE