Read Before Installing or Updating to HP-UX 11i v1, September 2005

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Updating from this Release
If you attempt to update from this release (HP-UX 11i v1
September 2005) to an earlier HP-UX 11i v2 release, the update
process will stop and you will get the following 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 v2 Installation and Update Guide for
more information.
What To Do
HP supports the following HP-UX 11i v2 (B.11.23) cold-install
and update paths for this release:
• You can cold-install the May 2005 HP-UX 11i v2 (B.11.23)
release.
• You can update from HP-UX 11i v1 (B.11.11) December 2004
and earlier HP-UX 11i v1 releases to the May 2005 HP-UX
11i v2 release.