How to Recover Agent Home on OMS got deleted accidentally Ensure that no agent java process is alive from the agent home 1. Rename agent_inst directory under agent base: /usr/oraoms/product/Agent12c/* --> You donot have agent_inst dir 2. Run the following command to reconfigure agent: NOTE: Replace all the required fields in the below command as per your environment $ cd /usr/oraoms/product/Agent12c/core/12.1.0.5.0/sysman/install $ agentDeploy.bat AGENT_BASE_DIR=/usr/oraoms/product/Agent12c AGENT_INSTANCE_HOME=/usr/oraoms/product/Agent12c/agent_inst AGENT_PORT=<Agent-Port> -configOnly OMS_HOST=<OMS HOSTNAME WITH DOMAIN> EM_UPLOAD_PORT=<OMS HTTPS UPLOAD PORT> AGENT_REGISTRATION_PASSWORD=<PROVIDE AGENT REGISTRATION PASSWORD> 3. If the above command completes successfully then follow the below steps: <AGENT_HOME>/BIN> ./emctl stop agent <AGENT_HOME>/BIN> ./emctl secure agent <AGENT_HOME>/BIN> ./emctl start agent ...