Solaris Common Messages and Troubleshooting Guide

su: 'su root' failed for login on /dev/pts/int

Cause

The user specified by login tried to become superuser, but typed the wrong password.

Action

If the user is supposed to know the root password, wait to see if the correct password is supplied. If the user is not supposed to know the root password, ask why he or she is attempting to become superuser.