Uninstalling Always-On Monitoring

If the purpose of uninstalling Always-On Monitoring is to upgrade to a new release, you should back up the following files.

  • $AOM_HOME/conf/emsConfig.properties

  • Custom certificates (if any) located at $AOM_HOME/conf (cwallet.sso, cwallet.sso.lck, ewallet.p12, and ewallet.p12.lck)

Use emsca to uninstall Always-On Monitoring as shown in the following example: 

$ ./emsca uninstall
Oracle Enterprise Manager Cloud Control 13c Release 5
Copyright (c) 1996, 2021 Oracle Corporation. All rights reserved.
---------------------------------------------------------------
Loading configuration from: /homedirectory/ems/conf/emsConfig.properties
 Connecting to Always-On Monitoring repository.
 Execute the following:
 emctl delete property -name "oracle.sysman.core.events.ems.emsURL" -sysman_pwd <pwd> to unset the value of the property.
 Uninstall completed.

Remove all files and sub-directories under $AOM_HOME.

To remove any trace of the previous AOM installation, you can drop the AOM repository user in the repository by running the following command: 
drop user ems cascade