2.2.1.14 Predefined RIDs

These are predefined RIDs of users and groups. The description column briefly describes what the user or group is used for.

Constant/value	Description
DOMAIN_USER_RID_ADMIN 0x000001F4	Name: Administrator User for administering the computer or domain.
DOMAIN_USER_RID_GUEST 0x000001F5	Name: Guest User for guest access to the computer or domain.
DOMAIN_USER_RID_KRBTGT 0x000001F6	Name: krbtgt User for Key Distribution Center Service.
DOMAIN_GROUP_RID_USERS 0x00000201	Name: Domain Users A group that represents all domain users.
DOMAIN_GROUP_RID_COMPUTERS 0x00000203	Name: Domain Computers A group that represents all workstations and servers joined to the domain.
DOMAIN_GROUP_RID_CONTROLLERS 0x00000204	Name: Domain Controllers A group that represents all DCs in the domain.
DOMAIN_ALIAS_RID_ADMINS 0x00000220	Name: Administrators A group that has complete and unrestricted access to the computer or domain.
DOMAIN_GROUP_RID_READONLY_CONTROLLERS 0x00000209	Name: Read-only Domain Controllers A group that represents all RODCs in the domain.