Compatibility isn't just about the OS. WinCC relies on a specific ecosystem of middleware and database tools.
While SQL Server 2019 might install, it was not officially supported by Siemens at the launch of SP2. If you want the "best" stability without risking untested configurations, stick to SQL Server 2017 . It offers the best balance of performance and native compatibility with the WinCC 7.5 SP2 architecture. wincc 75 sp2 compatibility list best
WinCC V7.5 SP2 is officially released for the following 64-bit operating systems: : Professional and Enterprise Windows 10 LTSC : 2015, 2016, and 2019 versions Compatibility isn't just about the OS
: Official support generally begins with WinCC V7.5 SP3 or later versions like WinCC V8.0. Critical Software Requirements wincc 75 sp2 compatibility list best