RDBMS ====== .. note:: This feature required Enterprise Edition You can synchronize user directories with a Relational Database Management System(RDBMS). A Relational Database Management System (RDBMS) is a database engine/system based on a relational model. Most modern commercial and open-source database applications are relational in nature #. Go to **Preferences** in the top panel #. Go to **User Authentication > Data Synchronization** in the left Preferences panel #. Click **Tasks > Create** #. Find **General** section in main window #. Set **Synchronization Interval** and **Action** #. Find **Advanced > External DB** section in main window. Select **RDBMS** #. Find **Advanced** > **User, Department, Job Title, Node, and LifeCycle Information** sections in main window. Add in information as needed. #. Click **Tasks > Synchronize Now**