: WinCC requires the "Microsoft Message Queuing" service to be running and set to "Automatic".
If the above fails, the error might live in your project’s local configuration files. A Basic Application Could Not Be Started Wincc 7.5
For advanced users:
Use the to "Save As" the problematic project to a new directory. This often repairs minor database inconsistencies. Summary Checklist Potential Cause Expired License Check Automation License Manager (ALM). SQL Service Hung Restart SQL Server (WINCC) in services.msc. Zombie Processes Run CCCleaner.exe from the WinCC bin folder. Missing Permissions Add user to "SIMATIC HMI" local group. : WinCC requires the "Microsoft Message Queuing" service
WinCC (Windows Control Center) is a popular HMI (Human-Machine Interface) software used for monitoring and controlling industrial processes. When encountering this error, it can be frustrating, especially if you're in the middle of a project. This often repairs minor database inconsistencies
Some security tools block WinCC’s dynamic data exchange or SQL connections.