///
/// 当设置该标志时,即使服务帐号是通过 kerberos 委托信任的,敏感帐号不能被委托
///
ads_uf_not_delegated = 0x100000,
///
/// 此帐号需要 des 加密类型
///
ads_uf_use_des_key_only = 0x200000,
///