OPatch error : “Unable to lock Central Inventory”

While applying Patch 31210848 "Microsoft Windows 32-Bit & x86-64 Bundle Patch 12.2.0.1.200714" on database 12.2.0.1on Windows platform I got the following error: Unable to lock Central Inventory. OPatch will attempt to re-lock. Solution: I opened another command window as Administrator, and applied the patch again. This time, it completed successfully without errors: For Windows platform, … Continue reading OPatch error : “Unable to lock Central Inventory”