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A Basic Application Could Not Be Started Wincc 7.5 ›

WinCC relies entirely on a dedicated SQL Server instance. If this instance is stopped, WinCC cannot launch its basic applications. Press Win + R , type services.msc , and press . Scroll down to find SQL Server (WINCC) .

WinCC relies heavily on Microsoft SQL Server. If the WINCC SQL instance is stopped, corrupted, or lacks proper permissions, WinCC components cannot initialize. A Basic Application Could Not Be Started Wincc 7.5

: Use the Siemens Compatibility Tool to verify if your current Windows build (e.g., Windows 10 22H2) is supported by your WinCC version. WinCC relies entirely on a dedicated SQL Server instance

Always keep a copy of the Siemens Installation Logs ( %TEMP%\SIEMENS.log ). If all else fails, Siemens Technical Support will ask for this file to identify the missing application component. or lacks proper permissions