| Min version | XP | 2003/XP64 SP1 | |
|---|---|---|---|
| Max version | 2003/XP64 SP2 | ||
| Architecture | x86 | x64 | |
| x86 offset offset:bitpos | Field Name | x64 offset offset:bitpos | |
| 0x0000 | void * Token | 0x0000 | |
| 0x0004 | uint8_t CopyOnOpen | 0x0008 | |
| 0x0005 | uint8_t EffectiveOnly | 0x0009 | |
| 0x0008 | enum _SECURITY_IMPERSONATION_LEVEL ImpersonationLevel | 0x000C | |