Use the procedure below to enable or disable inheritance from a parent folder to a child folder.
To allow or disallow inheritable parent permissions to a child folder, using Enterprise Manager
NOTE Only those permissions in the parent folder that are inheritable will actually be inherited by the child folder. See Understanding inheritance for information about inheritance and inheritable depth.
NOTE For the Root folder, which by definition has no parent folder, checking or unchecking the check box has no effect.
See Configure a document's security parent folder for configuring security inheritance for documents and custom objects.