To install Communications Express follow the steps mentioned below:
Uninstall any previous installation of Communications Express.
You need to uninstall Communications Express using Java Enterprise System Uninstaller if you have installed it from an earlier build of the Java Enterprise System Installer. On Solaris, Sun Java™ Enterprise System Uninstaller is available at: /var/sadm/prod/entsys/uninstall
When Sun Java System Communications Express is selected, the products on which Communications Express depends on gets automatically selected. However, if any of these products are already installed in the system, the option is disabled.
The Install Directories panel is displayed. Browse to specify the name of the target installation directory for each component product.
After a couple of panels the Configuration Type panel is displayed.
Decide on the configuration type you want. The options available are:
Configure Now. Allows you to configure component products that permit configuration at installation time.
Configure Later. The installer installs the packages in the specified directory paths and proceeds without configuring them. For more details, refer to the section on Choosing a Configuration Type in Chapter 2 of the Sun Java Enterprise System Installation Guide
Select a configuration type and click Next
The Custom Configuration panel appears.
Click Next to configure other component products (if any).
Complete the installation process.