c. Enter the host name for the backup monitoring server in the Standby TEMS Site field. d. Select the type of protocol to use for Hot Standby. This should be the same protocol on both the hub monitoring server and the monitoring server you are going to use for fail-over support. e. If you specified any backup protocols for the hub monitoring server, identify identical protocols for the backup monitoring server. f. Click Save. 2. Stop and restart the monitoring server. (On Windows, the monitoring server stops automatically.) 3. Repeat these steps for the backup monitoring server and any remote monitoring servers. 5.2.12 Configuring agents Agents use a feature called secondary Tivoli Enterprise Monitoring Server to ensure their availability. If the monitoring server to which the agent connects is unavailable, they switch the defined secondary monitoring server. Use the following steps to configure a secondary Tivoli Enterprise Monitoring Server for any agents that connect to the hub monitoring server: