Though robust and easy to install and configure, you may encounter problems while using Always-On Monitoring. In general, Always-On Monitoring problems can be classified into three types:

• Problems starting Always-On Monitoring

• Problems with Always-On Monitoring-Enterprise Manager repository SYNC.

• Not receiving email

By performing diagnostic tasks listed below, you can resolve a majority of issues that may occur when using Always-On Monitoring.

1. Check the log files in the $AOM_HOME/log sub-directory

2. Verify that the URL is set in Enterprise Manager by running the following

   emctl get property -name "oracle.sysman.core.events.ems.emsURL" -sysman_pwd <sysman-password>

3. Verify that the URL is set on the Management Agent by checking the $AGENT_HOME/sysman/config/emd.properties file and searching for EMS_URL

4. Verify that Always-On Monitoring is running and notifications are enabled by running emsctl status or emsctl ping

5. Verify that downtime contacts have been specified in Enterprise Manager and Always-On Monitoring by running emsctl status.

6. Check the version of the Agent by running the following command:

   emctl status agent

   The emctl command can be run form the following directory:

   $AGENT_HOME/agent_inst/bin