Manual migration might be necessary
if either your current installation
or your Version 4.0 installation requirements
vary too much from assumptions made
by the product installation program.
This article outlines the first and last steps of the
overall product migration process, as follows:
Before upgrading the product, save the current configuration
and back up necessary files.
You can save the current configuration by using either of the following:
Version 4.0 migration tools.
This technique
exports the existing repository and saves the necessary files.
This method is recommended over the alternative, because logic is provided
to save the correct files in the structure required by the other migration tools.