There are two online update modes, manual and automatic. Automatic is the recommended update mode. Select the mode you want from the Online Update Startup dialog. In automatic mode, previously installed packages are updated by all available patches on the update server. New packages available on the update server are not installed by the automatic online update mode.
In manual mode, you can select which patches you want to install. Manual is the recommended mode in the following circumstances:
You want to install new packages.
You do not want to update all of the installed packages with the latest patches.