Cancel the installation and run the installation program again, but this time deselect the Install Update Tool check box. Update Tool can be installed later from as-install/bin/. For more information about Update Tool, see Update Tool in Oracle GlassFish Server 3.0.1 Administration Guide. For general information about GlassFish Serverinstallation, see the Oracle GlassFish Server 3.0.1 Installation Guide.
Update Tool differs from Upgrade Tool, which is used to migrate the configuration and deployed applications from an earlier version of GlassFish Server to the current version. For more information about Upgrade Tool and upgrading, see the Oracle GlassFish Server 3.0.1 Upgrade Guide.