This post explains steps to determine OIM11GR2 server version and patch levels applied.
Oracle Fusion Middleware product installation comes up with a utility called Opatch utility which can be used for finding the product version or the patch levels applied on the installation. OPatch is a Java based utility used to patch Oracle products that utilize the Oracle Universal Installer. Opatch is included in most of the fusion middleware product installs and it will be present under the ORACLE_HOME/OPatch location.
By running the Opatch utility we can determine OIM11gR2 server version.
For this login to the OIM server and set the environment variable ORACLE_HOME to ORACLE_OIM_HOME.
You have not set ORACLE_HOME environment, you will get error “Opatch failed with error code 1. This issue is explained here .
After setting the ORACLE_HOME environment variable , Navigate to $ORACLE_HOME/Opatch directory .
execute the command ./opatch lsinventory command .
This will list the OIM11GR2 Server version and patch levels .