Verify that the machine has the required operating system patches and libraries.
Verify that the machine meets the minimum system requirements to upgrade the domain.
Verify that the machine meets the hardware requirements to upgrade the application services.
Review the environment variables.
Verify that the operating system meets the file descriptor requirement.
Review the maximum heap size setting.
Extract the installer files.
Run the pre-installation (i10Pi) system check tool.
Run the Informatica Upgrade Advisor.