diff --git a/SDK/INC/NT/ntdef.h b/SDK/INC/NT/ntdef.h
index 1074e76..0e1032a 100644
--- a/SDK/INC/NT/ntdef.h
+++ b/SDK/INC/NT/ntdef.h
@@ -107,6 +107,12 @@ typedef UCHAR *PUCHAR;
 typedef USHORT *PUSHORT;
 typedef ULONG *PULONG;
 
+//
+// Handle types.
+//
+typedef PVOID HANDLE;
+typedef HANDLE *PHANDLE;
+
 //
 // String types.
 //
diff --git a/SDK/INC/NT/ntstatus.h b/SDK/INC/NT/ntstatus.h
index 0be2847..d1fa277 100644
--- a/SDK/INC/NT/ntstatus.h
+++ b/SDK/INC/NT/ntstatus.h
@@ -34,6 +34,18 @@ Abstract:
 #define STATUS_MEDIA_WRITE_PROTECTED   ((NTSTATUS) 0xC00000A2L)
 #define STATUS_DEVICE_NOT_READY        ((NTSTATUS) 0xC00000A3L)
 #define STATUS_NOT_SUPPORTED           ((NTSTATUS) 0xC00000BBL)
+#define STATUS_INVALID_PARAMETER_1     ((NTSTATUS) 0xC00000EFL)
+#define STATUS_INVALID_PARAMETER_2     ((NTSTATUS) 0xC00000F0L)
+#define STATUS_INVALID_PARAMETER_3     ((NTSTATUS) 0xC00000F1L)
+#define STATUS_INVALID_PARAMETER_4     ((NTSTATUS) 0xC00000F2L)
+#define STATUS_INVALID_PARAMETER_5     ((NTSTATUS) 0xC00000F3L)
+#define STATUS_INVALID_PARAMETER_6     ((NTSTATUS) 0xC00000F4L)
+#define STATUS_INVALID_PARAMETER_7     ((NTSTATUS) 0xC00000F5L)
+#define STATUS_INVALID_PARAMETER_8     ((NTSTATUS) 0xC00000F6L)
+#define STATUS_INVALID_PARAMETER_9     ((NTSTATUS) 0xC00000F7L)
+#define STATUS_INVALID_PARAMETER_10    ((NTSTATUS) 0xC00000F8L)
+#define STATUS_INVALID_PARAMETER_11    ((NTSTATUS) 0xC00000F9L)
+#define STATUS_INVALID_PARAMETER_12    ((NTSTATUS) 0xC00000FAL)
 #define STATUS_TIMEOUT                 ((NTSTATUS) 0x00000102L)
 #define STATUS_NO_MEDIA                ((NTSTATUS) 0xC0000178L)
 #define STATUS_IO_DEVICE_ERROR         ((NTSTATUS) 0xC0000185L)