This SID is not used in Windows 2000. Membership is controlled by the operating system. A placeholder in an inheritable ACE on an account object or group object in Active Directory. When the ACE is inherited, the system replaces this SID with the SID for the security principal who holds the account. A group that includes all users whose identities were authenticated when they logged on.
Membership is controlled by the operating system.
This SID is reserved for future use. A group that includes all users that have logged on to a Terminal Services server. Membership is controlled by the operating system. A service account that is used by the operating system. It is the only user account that is given full control over the system by default.