HP-UX SNAplus2 Upgrade Guide (June 2003)

Upgrading from Earlier Versions of SNAplus2 to R6.0 and later
Summary of Changes Between Releases
Chapter 2 23
Summary of Changes Between Releases
A Release 6.0 or 6.1 system can read all Release 5 configuration files, and
can run all applications built for Release 5. However, a Release 5 system
cannot read a Release 6.0 or 6.1 configuration file, and cannot run an
application that has been recompiled with Release 6.0 or 6.1 headers.