1- How to install SQL Server 2014 upgrade advisor
2- How to install pre-requisites of SQL Server 2014 upgrade advisor
3- How to take care of Upgrade advisor error " Upgrade advisor missing pre-requisites ....."
4- Best practices of In-place upgrade of SQL Server 2012
5- Rollback options in In-Place upgrade
6- How to run Upgrade Wizard of SQL Server 2014
7- How to view whether SQL Server 2012 is upgrade to SQL Server 2014 after Upgrade Wizard completes
8 - How to upgrade all management components from SQL Server 2012 to SQL Server 2014
For Part One Click Here.