License: Key Not Available Wincc Logging For Runtime Advanced Link

Open your project in TIA Portal and check if you actually need logging: Navigate to in the project tree. Check Data Logs and Alarm Logs .

If you do not require historical data and want to remove the error message: Go to . Delete any configured logs. Open your project in TIA Portal and check

You do not actually need historical data logs, but logging was inadvertently enabled on a tag or alarm class during the design phase in TIA Portal. Step-by-Step Troubleshooting and Resolution Open your project in TIA Portal and check