| Min version | 2003/XP64 SP1 | Vista |
|---|---|---|
| Max version | 2003/XP64 SP2 | Vista SP2 |
| x86 offset offset:bitpos | Field Name | |
| 0x0000 | struct _OBJECT_DIRECTORY_ENTRY *[37] HashBuckets | |
| 0x0094 | struct _EX_PUSH_LOCK Lock | |
| 0x0098 | struct _DEVICE_MAP * DeviceMap | |
| 0x009C | unsigned long SessionId | |
| 0x00A0 | void * NamespaceEntry | |
| 0x00A4 | unsigned long Flags | |