If you are running Update Tool for the first time, you will have to install the interface before proceeding.
Start Update Tool by changing to the webspace-dir/bin directory and typing updatetool.
Expand Web Space under the Application Images pane, and choose Available Updates.
Click the Edit Properties button.
The Image Properties window is displayed.
Select the option support.sun.com repository, and choose Preferred.
The Repository Properties window appears.
Provide the appropriate repository URL provided by Sun support, and click OK.
The support.sun.com repository is highlighted.
Click OK again to enable the support.sun.com repository.
The Update Tool main window is displayed.
Expand Web Space under the Application Images pane, and choose Available add-ons.
Select the Web Space for GlassFish V2 component, and click Install.
Select the swa-administration, swa-datastore, and swa-gateway components.
Proceed to Installing the Secure Web Access Add-On for the remaining installation instructions.