虛擬硬盤中會使用下列列舉：
- APPLY_SNAPSHOT_VHDSET_FLAG
- APPLY_SNAPSHOT_VHDSET_VERSION
- ATTACH_VIRTUAL_DISK_FLAG
- ATTACH_VIRTUAL_DISK_VERSION
- COMPACT_VIRTUAL_DISK_FLAG
- COMPACT_VIRTUAL_DISK_VERSION
- CREATE_VIRTUAL_DISK_FLAG
- CREATE_VIRTUAL_DISK_VERSION
- DELETE_SNAPSHOT_VHDSET_FLAG
- DELETE_SNAPSHOT_VHDSET_VERSION
- DEPENDENT_DISK_FLAG
- DETACH_VIRTUAL_DISK_FLAG
- EXPAND_VIRTUAL_DISK_FLAG
- EXPAND_VIRTUAL_DISK_VERSION
- GET_STORAGE_DEPENDENCY_FLAG
- GET_VIRTUAL_DISK_INFO_VERSION
- MERGE_VIRTUAL_DISK_FLAG
- MERGE_VIRTUAL_DISK_VERSION
- MODIFY_VHDSET_FLAG
- MODIFY_VHDSET_VERSION
- OPEN_VIRTUAL_DISK_FLAG
- OPEN_VIRTUAL_DISK_VERSION
- RAW_SCSI_VIRTUAL_DISK_FLAG
- RAW_SCSI_VIRTUAL_DISK_VERSION
- SET_VIRTUAL_DISK_INFO_VERSION
- STORAGE_DEPENDENCY_INFO_VERSION
- TAKE_SNAPSHOT_VHDSET_FLAG
- TAKE_SNAPSHOT_VHDSET_VERSION
- VIRTUAL_DISK_ACCESS_MASK