This article moved to https://help.synergetic.net.au/s/article/SQL-Server-in-place-upgrades
Urgent note
Do not perform in-place SQL Server upgrades from SQL Server 2012/2014 to 2017 or 2019. Microsoft has removed the option for SQL Server Reporting Services (SSRS) and will uninstall this during an in-place upgrade. SSRS will need to be installed from scratch and may not be able to recover any custom reports.
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