Dell PowerConnect W Clearpass 100 Software 3.9 Deployment Guide - Page 393

Determining Installed Operating System Packages Use the Advanced view of the System Information page to display a list of the installed operating system packages, together with the corresponding version numbers. Plugin Manager Plugins are the software components that fit together to make your Web application. The Plugin Manager allows you to manage subscriptions, list available plugins, add new plugins, and check for updates to the installed plugins. To access Plugin Manager tasks, navigate to Administrator > Plugin Manager. The Available Plugins page is displayed. Plugins are listed by category and include:  Standard application plugins-Provide corresponding functionality for interactive use by operators  Kernel plugins-Provide the basic framework for the application  License plugins-Authorize access to features of the application  Operator plugins-Conrol access to the Web application  Skin plugins-Provide the style for the application's visual appearance  Transaction processor plugins-Provide services primarily reserved for internal use by the software and are not exposed in the user interface Plugins cannot be updated while High Availability is running. Because exact synchronization of the two servers is required for High Availability Services, you must first destroy the clusters, then re-create the ClearPass Guest 3.9 | Deployment Guide Administrator Tasks | 393