My Oracle Support Banner

Patch Set Update (PSU) Administration Guide for Oracle WebLogic Server (WLS) (Doc ID 1306505.1)

Last updated on FEBRUARY 06, 2024

Applies to:

Oracle WebLogic Server - Version 10.3.4 and later
Information in this document applies to any platform.


 This document is intended to provide information about Oracle WebLogic PSU releases as well as information on how to find, and install them.


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document
 Patch Set Update (PSU) Administration Guide for Oracle WebLogic Server (WLS)
 Overview of PSUs
 One Integrated, Well Tested Patch
 Baseline Version for Easier Tracking
 PSUs and Critical Patch Updates (CPUs)
 PSU Lifecycle
 PSUs and Patch Set Release Coordination
 PSUs and Patch Conflict Resolution
 Installing and Deinstalling PSU Patches
 PSUs and Patches for Fixes not Included in the PSU
 Determining What PSUs are Applied to a Specific Environment
 Ensure to Download a PSU Version for the Installed WLS Version
 Patching Scenarios
 Scenario 1
 Scenario 2
 Scenario 3
 Scenario 4
 PSUs and One-off Patches
 Obtain Patch Set Updates for Oracle WebLogic Server 10.3.4+
 Zero Downtime (ZDT) Patching

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.