Is a service or feature which is used to implement different service policy at user group Ou and domain.
v Inheritance-when we implement any policies at domain it get auto applied to all the old and new user group and Ou.
ü Ignoring inheritance-when we use block inheritance feature policies get filter.
ü From-gpmc.msc=edit-user-user configuration-policies-all setting.
ü From that group-right click-select-inheritance.
v Enforced-is used to pally any GPO setting if any one inheritance it but by this feature break all the rules and get applies to every objects.