Trouble #1:
https://support.microsoft.com/ru-ru/help/955763/the-sql-server-agent-service-does-not-start-after-you-upgrade-from-sql-server-2008-express-or-from-sql-server-2008-express-with-advanced-services-to-sql-server-2008-developer,-to-sql-server-2008-enterprise,-or-to-sql-server-2008-standard
Trouble #2:
https://msdn.microsoft.com/ru-ru/library/ms178127.aspx
Trouble#3:
https://social.msdn.microsoft.com/Forums/sqlserver/en-US/124bbce8-fed9-49ad-9703-7e4cace1e81d/databases-with-simple-recovery-will-be-excluded-sql-server-2008?forum=sqltools