Before you upgrade Rational® Publishing Engine,
review and complete all of the necessary tasks in the pre-upgrade
checklist.
The following checklist contains the basic tasks that are involved
in preparing the upgrade environment.
Tip: 
For
your convenience, you can print out this checklist to ensure that
you complete all of the necessary tasks. Check off each row as you
complete the task.
Table 1. Pre-upgrade checklist for preparing the
upgrade environmentPreparing task |
Check when complete |
Task details |
Review the installation requirements. |
☐ |
 |
If you are upgrading from 1.1.2.2 or earlier,
download updated license keys for Rational Publishing Engine. |
☐ |
 |
If you are upgrading from 1.1.2.2 or earlier
and you have stored snippets or other files in your Rational Publishing Engine installation
directory or have customized the source examples, move them to a backup
directory. |
☐ |
None |
If you are upgrading from 1.1.2.2 by installing
the later version, uninstall the previous version of Rational Publishing Engine. |
☐ |
 |
If you are upgrading from 1.1.2.2 or earlier,
update your Java™ Runtime Environment.
(Apache Tomcat only) |
☐ |
 |
After you have completed all of the required pre-upgrade tasks,
you can begin the upgrade tasks. Refer to the Upgrade checklist for
details.