6.1.1.4.4 Infrastructure Object
In AD DS, each domain and application NC has an infrastructure object that maintains a reference to the current Infrastructure role owner. This object is not present in AD LDS.
objectClass: infrastructureUpdate
systemFlags: {FLAG_DISALLOW_DELETE | FLAG_DOMAIN_DISALLOW_RENAME | FLAG_DOMAIN_DISALLOW_MOVE}
fSMORoleOwner: This value refers to the nTDSDSA object of the DC that owns the Infrastructure FSMO role.
isCriticalSystemObject: TRUE