Complete the prerequisites before performing the upgrade from Oracle BI Applications 11.1.1.10.1 to Oracle BI Applications 11.1.1.10.2.
Ensure that you perform the following prerequisites:
Take a backup of the MWHOME folder before upgrade.
Review the Certification Matrix for Oracle BI Applications release 11.1.1.10.2 available in the Oracle Fusion Middleware Supported System Configurations information on Oracle Technology Network.