NOTE: Updating from a release of HP-UX to a version of HP-UX
that was released earlier in time is not supported. This could cause
system incompatibilities and unpredictable results. If you attempt
to update to an earlier version of HP-UX, the update process will
stop without making any changes to your system and you will get
the following error message:
ERROR: You are attempting to update from your release of HP-UX to a version of HP-UX that was released earlier in time. This is not supported. The update process has stopped without making any changes to your system. Please see the 'Supported Update Paths' section of the HP-UX 11i v3 Installation and Update Guide for more information.