Table 8–2 x86: Solaris Upgrade Methods
For limitations on upgrading using Solaris Live Upgrade, see Solaris Live Upgrade System Requirements.
You cannot upgrade your system to a software group that is not installed on the system. For example, if you previously installed the End User Solaris Software Group on your system, you cannot use the upgrade option to upgrade to the Developer Solaris Software Group. However, during the upgrade you can add software to the system that is not part of the currently installed software group.