Start Enterprise Manager After Hostname Change
Some time we need to change hostname or ip address of machine , the result is no listner and unable to start Enterprise Manager. To resolve this issue thre are some simple steps we need to follow- 1. first change your host name in listner.ora file 2. execute following command to reconfigure enterprise manager- emca -deconfig dbcontrol db emca -config dbcontrol db -repos recreate or emca -deconfig dbcontrol db -repos drop emca -config dbcontrol db -repos create