The DRS_MSG_INIT_DEMOTIONREPLY_V1 structure defines a response message received from the IDL_DRSInitDemotion method.
typedef struct {
DWORD dwOpError;
} DRS_MSG_INIT_DEMOTIONREPLY_V1;
dwOpError: A Win32 error code, as specified in [MS-ERREF] section 2.2.