The X and Y values for these SIDs uniquely identify a particular logon session. Service A group that includes all security principals that have logged on as a service. Membership is controlled by the operating system. Anonymous A user who has logged on anonymously. Enterprise Controllers A group that includes all domain controllers an Active Directory directory service forest of domains.
Membership is controlled by the operating system.
A placeholder in an ACE on a user, group, or computer object in Active Directory. When you grant permissions to Principal Self, you grant them to the security principal represented by the object. During an access check, the operating system replaces the SID for Principal Self with the SID for the security principal represented by the object. Authenticated Users A group that includes all users whose identities were authenticated when they logged on. Membership is controlled by the operating system.