Do not upgrade an existing WinCC 7.4 (SQL 2014) database directly to SQL 2017. You must use the Project Migrator tool included in SP2. Direct SQL detachment/reattachment will corrupt the archive logging.
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
Furthermore, for users connecting to third-party PLCs (Rockwell, Modbus, etc.), the list identifies which are validated. A "best" practice is to avoid using generic TCP/IP sockets; instead, use the certified SIMATIC OPC Server listed in the compatibility matrix. Do not upgrade an existing WinCC 7
: Supported only starting with WinCC V7.5 SP2 (and V8.0) While SQL Server 2019 might install, it was
Do not upgrade an existing WinCC 7.4 (SQL 2014) database directly to SQL 2017. You must use the Project Migrator tool included in SP2. Direct SQL detachment/reattachment will corrupt the archive logging.
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.
Furthermore, for users connecting to third-party PLCs (Rockwell, Modbus, etc.), the list identifies which are validated. A "best" practice is to avoid using generic TCP/IP sockets; instead, use the certified SIMATIC OPC Server listed in the compatibility matrix.
: Supported only starting with WinCC V7.5 SP2 (and V8.0)