After the system finishes upgrading, the installation program leaves it at the superuser prompt in single-user mode.
Clean up the system if necessary.
When you use the upgrade option, the Solaris installation program merges local software modifications of the existing system with the new software; however, in some cases, the merge is not possible. See the following file to see if you need to fix any of the local modifications that the upgrade could not preserve:
Reboot the system.