Update the user registry on AIX

1. Add a database user registry
2. Configure a property extension database
3. Change from a stand-alone repository to a federated repository
4. Update the base entry
5. Update the database user registry
6. Update the federated LDAP user registry
7. Update the realm configuration
8. Create the entity type
9. Update an entity type
10. Update a group member
11. Update the stand-alone LDAP user registry
12. Update the group membership configuration
13. Update the context pool configuration

Parent: Manage the user registry on AIX