You can use the following pre-installation checklist to help you install an Exchange 2010 update rollup: Determine which update rollup packages are installed on your Exchange server roles. Installed update rollup packages are shown in the Programs and Features dialog box in Control Panel.
Serenity (Firefly vessel) Serenity is a fictional spaceship that appears in Joss Whedon's Firefly television series and related works. Set in the 26th century, the series follows the nine-person crew of the Firefly-class vessel, a small transport ship, as they earn a living through various legal and illegal means. The ship is the main setting; it appears in all fourteen episodes, the film, and several comics.
Serenity first appeared in the pilot episode of Joss Whedon's Firefly, which is set in the year 2517, in a star system humanity migrated to after using all of Earth's resources.