License Key Not Available Wincc Logging For Runtime Advanced Link Exclusive May 2026

Data Logging

The "License key not available! WinCC Logging for Runtime Advanced" error occurs because (tag and alarm logging) and Recipe management require separate optional licenses on PC-based Runtime Advanced systems .

1. Degraded Mode: The HMI starts, but the archiving services fail. The operator can see the screens and control the process, but no historical data is recorded. Trend windows will be empty, and alarm histories will not persist.
2. Runtime Termination: Depending on the configuration, if the logging service is deemed critical by the project settings, the runtime may refuse to start entirely, preventing the operator from interacting with the machine.

to restore defective licenses if they are already owned but not working. Simulation : If you are just testing, you can simply ignore the warning ; it will not stop the simulation from working. Data Logging The "License key not available

• C:\AX NF ZZ (legacy USB dongle mounts as a drive)
• Or via Automation License Manager on a central server. If the license is on the desktop or in a subfolder, WinCC will not find it.