Site Component Manager was instructed by Configuration Manager Setup to shut down the site in preparation for a site upgrade, ...

%11Site Component Manager was instructed by Configuration Manager Setup to shut down the site in preparation for a site upgrade, modification, or reset operation. Site Component Manager will now stop all of the Configuration Manager Server Components on all of the site systems, mark all of these components for reinstallation, and then stop itself. Site Component Manager will reinstall all of the components when it is restarted by Configuration Manager Setup at the end of the site upgrade, modification, or reset operation.%0