I was using the OEM11G, when after the logon with my credential users, I saw the follow message “Accessibility Mode Disabled” as the image below: To solve it, you need to change the status of the accessibility-mode in the file “uix-config.xml”. This file can be found on directory: $ORACLE_HOME/j2ee/OC4J_EM/applications/em/em/WEB-INF/. Then, you need to do the follow steps: vi $ORACLE_HOME/j2ee/OC4J_EM/applications/em/em/WEB-INF/uix-config.xml (Look the status “inaccessible” in the picture below): Change the status of the accessibility mode in the file from inaccessible to accessible. After you changed the accessibility mode, save and close…