The original requirement when Solaris 10 Branded Zones were added to
OpenSolaris was for update 8 or later.
--
Ian Collins
The current documentation is hidden here
http://download.oracle.com/docs/cd/E19963-01/html/821-1460/gjfbq.html
on oracle's horrible documentation site.
--
Ian Collins
...which states:
"Oracle Solaris 10 Containers are solaris10branded zones that host x86
and SPARC Solaris 10 10/09 (or later released Oracle Solaris 10
update) user environments running on the Oracle Solaris 11 Express
kernel. Note that it is possible to use an earlier update release if
you first install the kernel patch 141444-09 (SPARC) or 141445-09 (x86/
x64), or later version, on the original system."
Me personally, I'd liveupgrade to 10/09 and then take the flar.