Keep informed on the most recent information about conditions that could impede your software installation process.
If you are using image catalogs to upgrade, for example, certain PTFs are required. If you using an image catalog to install a more recent update of the same release of i5/OS™, for example, you might need to load and apply a certain PTF. This information is part of the steps found in Preparing to upgrade or replace software using an image catalog. Some of these steps need to be performed at least a day before you install the software to ensure that your installation media are ready to use.