This error typically appears immediately after launching the WinCC Explorer, opening a project, or during the activation of the runtime environment. For many engineers and operators, this error brings production monitoring to a screeching halt.
Ensure you haven't upgraded to WinCC 7.5 while still holding a 7.4 license; Siemens licenses are version-specific. a basic application could not be started wincc 75
WinCC 7.5 is sensitive to Windows builds. Ensure you are on a supported version of Windows 10/11 or Windows Server as specified in the Siemens Compatibility Tool. This error typically appears immediately after launching the
WinCC Runtime ├── SQL Server (data) ├── License Manager (ALM) ├── Message System (MSRT) ├── Graphics Runtime (PdlRt.exe) └── Tag Management opening a project