If a database failure—for example, a lost TCP/IP connection between the OpenEdge Replication server and the OpenEdge Replication agent—does occur, failure processing starts. If a failure occurs on the OpenEdge Replication server, the server starts a process known as failure recovery. If a failure occurs on the OpenEdge Replication agent, the agent prepares to perform transition. Transition takes place if the connection to the server remains lost.