If you are migrating a project from the older to WinCC Advanced/Professional , licensing models change.
If troubleshooting confirms you genuinely lack the license, you have three purchasing routes. If you are migrating a project from the
: Sometimes a similar "License key not available" message appears for SmartServer . If you don't use it, you can disable the "CoRTSmartServer" service in the Windows Service Manager to stop the popup. in a production environment
In WinCC Runtime Advanced (and Professional), the licensing for logging isn't a simple "On/Off" switch. It is a . If you are migrating a project from the
: While testing in the TIA Portal simulator, you can often ignore this message without losing functionality. However, in a production environment, the pop-up will reappear every 10 minutes, disrupting operations.