The Solaris 10 5/08 release has the following Solaris Live Upgrade restrictions:
Solaris Live Upgrade from the Solaris 8 release to the Solaris 10 5/08 release is not supported. Instead, use the standard upgrade procedure or perform a Solaris Live Upgrade from the Solaris 8 OS to the Solaris 9 OS or to the Solaris 10 OS. Then you can perform a Solaris Live Upgrade from the Solaris 9 release or the Solaris 10 release to the Solaris 10 5/08 release.
To upgrade your current Solaris 9 OS to the Solaris 10 5/08 release using Solaris Live Upgrade, apply the following patches:
For SPARC systems– 137477-01 or later
For x86 systems– 137478-01 or later
To upgrade your current Solaris 10 OS to the Solaris 10 5/08 release by using Solaris Live Upgrade, apply the following patches:
For SPARC systems– 137321-01 or later
For x86 systems– 137322-01 or later
These patches include the new p7zip functionality. Unzip the compressed installation images by using this new p7zip utility.