The installer uses the vpd.properties file as a repository for installed applications. This file is written to the home directory of the installation machine. The vpd.properties file remains in your home directory even though the machine name has changed. This causes the installer to falsely determine that the Enterprise Portal software already exists, and places the installation into a reinstall or upgrade mode.
When using remote mounted home directories you should rename your vpd.properties file prior to your second, third, etc. installation.
