You should also never restore MSDB from an older version of SQL Server. Each new version introduces new things to MSDB, and they will not work as expected if you use an old version of MSDB. Also, using an old version of MSDB will put you outside of Microsoft Support.
Original author: https://github.com/SQL-FineBuild/Common/wiki/ 1-click install and best practice configuration of SQL Server 2019, 2017 2016, 2014, 2012, 2008 R2, 2008 and 2005.
When I give food to the poor they call me a saint. When I ask why they are poor they call me a communist - Archbishop Hélder Câmara