I recently came across this error in our EM13c environment after pushing a couple of ODA hardware plugin to the monitoring agents. Even though configuration for the Plugin looks okay to my knowledge After this plugin was push, all the EM13 jobs (backup, Enterprise -> Job) are all failing with following error messages ORA-20233: Unable … Continue reading EM13c job failed with ORA-20233: Unable to determine OS for :. Error: ORA-01403: no data found →