The following are important terms related to the upgrade process:
Source Server: the installation from which you are upgrading to the new version.
Domains Root : the directory where the domains are created. This directory, by default, is the location specified as AS_DEF_DOMAINS_PATH in the asenv.conf file (on Solaris) or the asenv.bat file (on Windows).
Domain Directory or domain-dir: the directory (within the Domains Root) corresponding to a specific domain. All the configuration and other data pertaining to the domain exists in this directory.
Install Root: the directory where the Application Server is installed.
Administration User Name: Name of the user who administers the server. This term refers to the admin user of the Application Server installation from which you want to upgrade.
Password: Administration user’s password to access the Domain Administration Server (DAS)(8-character minimum) of the Application Server installation from which you want to upgrade.
Master Password: SSL certificate database password used in operations such as Domain Administration Server startup. This term refers to the master password of the Application Server installation from which you want to upgrade.