HP-UX SNAplus2 R7 Upgrade Guide (September 2005)

Overview of Upgrading
Chapter 12
SNAplus. SNAplus is obsolete and no longer supported.
If you are using SNAplus and want to move to the new SNAplus2 release
of R7, you must upgrade your operating system to HP-UX 11i or later,
remove the SNAplus products using swremove and then install the new
SNAplus2 R7 release.