Check to uninstall
All functionality is controlled by the session, the session and the session.
If a solution must be uninstalled, for example, because the solution was a bad fix, use the session. The solution status and the status of related solutions becomes To Uninstall.
Note: You can use Check to uninstall from the session to uninstall all solutions that were installed together in one run. For
example, a solution including all prerequisite solutions or solutions of a collection that
were installed in a range.