The Automation License Manager (ALM) may not be running, or the license has not been transferred to the PC.
| Cause | Description | |-------|-------------| | | No valid license for WinCC Logging (e.g., “WinCC Logging for Runtime Advanced”) is installed on the target runtime machine. | | Incorrect license type | A standard WinCC Runtime license (without Logging option) is installed but does not cover data logging. | | License not activated | License exists on the drive but not transferred (e.g., not activated via Automation License Manager). | | Wrong license version | License is for an older or newer version of WinCC/TIA Portal and not backward/forward compatible. | | License key not found | ALM (Automation License Manager) cannot locate the license (wrong drive, network issue, USB dongle not inserted). | | Trial license expired | A trial or demo license was previously used and has expired. | | Runtime Advanced vs Professional | Using Runtime Advanced but license is for Runtime Professional (or vice versa), or missing the logging add-on specifically. | The Automation License Manager (ALM) may not be
: The message may trigger if logging features are accidentally enabled: Historical Data : Check the "Historical data > Data logs" | | License not activated | License exists
: This message will also appear when simulating a project on your engineering PC if the logging license is not present, as the simulation behaves exactly like the actual runtime. Related License Triggers | | Trial license expired | A trial
: In some versions, the SmartServer service starts automatically and may request a license even if not actively used. You can disable the "CoRTSmartServer" service in Windows Services to stop the prompt. Defective Licenses