License Key Not Available Wincc Logging For Runtime Advanced Work

Your trends are frozen. Your data logs are empty. Production data is not being recorded.

To do this:

: If the IPC or PC is shut down abruptly without closing the Runtime, active licenses may be marked as "defective" in the Automation License Manager (ALM) System Date Changes Your trends are frozen

Checking the license version in the ALM to ensure it matches your TIA Portal version.

The "License Key Not Available" error can be frustrating, especially when it hinders the logging functionality in WinCC Runtime Advanced Work. This article aims to provide a comprehensive guide to troubleshoot and resolve the issue, ensuring seamless logging operations. To do this: : If the IPC or

Open the application on the target runtime PC.

The error typically manifests as a pop-up window during WinCC Runtime startup or even intermittently while the system is running. Users often report that while the main HMI functions work fine, this error appears every few minutes, becoming a recurring nuisance. Open the application on the target runtime PC

: Background services or stuck processes can interfere with the license check. Running the Reset_WinCC.vbs script safely resets these processes.

If you've tried everything and the error persists, the Automation License Manager's internal database might be corrupted. Resetting it is a more advanced step but can be effective.

Check the column. Ensure it does not say "corrupted" or "expired." 3. Match License Versions