Before you add a node, first you need to add it in the DNode Cluster Management landing page.
Click Designer Studio > Decisioning > Infrastructure > DNode Cluster Management > DNodes and add a node.
Click Designer Studio > Decisioning > Infrastructure > Visual Business Director Grid > Node Topology.
Click Add node and select a node from the list.
Optional: In the Action column, click Restart.
Note: To remove the node click Decommision.