Do not look for SQL 2019. WinCC 7.5 SP2 does support SQL Server 2019. Additionally, if you are using WinCC/WebNavigator or WinCC/DataMonitor , you are locked specifically to SQL Server 2017 Standard Edition (not Express, not Enterprise).
Before dissecting the compatibility lists, it is vital to understand where WinCC 7.5 SP2 sits in the software lifecycle. WinCC 7.5 is part of the SIMATIC WinCC V7 family, which sits alongside the TIA Portal WinCC Professional versions. wincc 7.5 sp2 compatibility list
| Original Project Version | Can you migrate directly? | Procedure | | :--- | :--- | :--- | | | Yes | Open in 7.5 SP2; DB migration auto-runs. | | WinCC V7.3 | Yes | Requires intermediate conversion to V7.4 first. | | WinCC V7.0 or V6.2 | No | Must use "Project Migrator" tool (separate download from Siemens). | | WinCC Flexible 2008 | Partial | Export tags to CSV; import into 7.5 SP2. No native conversion. | Do not look for SQL 2019
The "wincc 7.5 sp2 compatibility list" is version-sensitive. that expand compatibility. For example, Update 1 added Windows 11 support; Update 2 fixed SQL deadlocks. Before dissecting the compatibility lists, it is vital
WinCC 7.5 SP2 introduces improved Kerberos support for distributed systems. If you run WinCC on , you must manually configure SPNs (Service Principal Names) for the WinCC service accounts. Failure to do so results in "Access Denied" errors when clients try to connect to the server.
The "WinCC 7.5 SP2 compatibility list" is incomplete without addressing the add-ons.