Upgrading from another release

If you are upgrading from a previous version of the product, make sure that you understand how the upgrade affects your installation.
The IBM® Rational® Publishing Engine 1.1.2 installer calls the msiexec.exe with the appropriate parameters /x ... to uninstall previous RPE versions (1.1.1.2 and earlier).
Note: Ensure all other applications are closed for an upgrade. See the technote for more information.

When you install IBM Rational Publishing Engine 1.1.1.2, previous versions of Rational or Telelogic Publishing Engine are automatically upgraded. The upgrade process uninstalls the previous Rational Publishing Engine version and installs the new version. Multiple versions of the product cannot be installed on the same computer. Rational Publishing Engine supports templates for Telelogic Publishing Engine 1.0 and 1.0.1, and Rational Publishing Engine 1.1, 1.1.1, and 1.1.1.1.


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