During the installation of Symantec Mail Security for Domino a window appears. The window says that Java RunTime Environment 1.4 should be installed as a minimum. Java RunTime Environment 1.7.0_03 is installed.
Java LiveUpdate requires a minimum of JRE (Java RunTime) 1.4 and above. Please install that and then continue with the installation. This setup will abort now.
Install Java Runtime Environment 1.6
The following documents may also help:
Silent installation fails if the Java Runtime Environment is not installed