Oracle EBS R12.1.3 – Application Level Patching Guide
Oracle EBS R12.1.3 – Application Level Patching Guide Overview This guide details the step-by-step procedure for applying application-level patches in Oracle E-Business Suite Release 12.1.3. This process ensures the EBS application is updated without disrupting services or compromising system stability. Prerequisites Before you begin: Ensure the Database and Listener are up and running. Backup your EBS environment (DB, APP, and customizations if applicable). Set necessary environment variables ( $APPL_TOP , $AD_TOP , $ADMIN_SCRIPT_HOME , etc.). Identify patch number and download it from My Oracle Support (MOS) . Step 1: Stop Application Services Navigate to your administration scripts directory: cd $ADMIN_SCRIPT_HOME ./adstpall.sh apps/<apps_password> 🔸 Ensure the database and listener remain UP . Step 2: Enable Maintenance Mode Maintenance mode prevents users from logging in during patching. cd $AD_TOP/12.0.0/bin ./adadmin Follow...