Since Siemens officially requires a purchased license to legally run WinCC Logging for Runtime Advanced, this guide focuses on and official troubleshooting steps to ensure your existing licenses are being read correctly.

If you do not need historical data, delete the logs or set their acquisition type to off, then recompile and download the project. If you do need them, proceed to the next step. 2. Verify the License in Automation License Manager (ALM)

WinCC logging is a feature that enables the collection, storage, and analysis of process data. It allows users to monitor and record data from various sources, such as sensors, machines, and other control systems. The logged data can be used for various purposes, including process optimization, troubleshooting, and compliance with regulatory requirements.

When WinCC Runtime Advanced launches, it scans the local machine's PC station and the Siemens Automation License Manager (ALM) for required software authorizations. The "Logging for Runtime Advanced" pop-up triggers due to three main scenarios:

Locate , right-click it, and select Restart (or Start if it is disabled).

Look for a license named exactly .

Before purchasing new software, verify exactly what the system is requesting.

If you just need to without a full license:

: 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.

“License key not available” or “No valid license found for WinCC Logging”