For Runtime Advanced Link //top\\ — License Key Not Available Wincc Logging

: If the license was previously working but suddenly shows as "not available," it may be marked as "defective" in the Automation License Manager (ALM)

The screen might load, but your trend views are empty, your alarm logs are silent, and that sinking feeling in your stomach sets in. You have a license—so why is the system refusing to work?

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 .

To resolve this, you need to ensure you have the correct software keys installed via the .

: Perform a "Software (rebuild all)" compile. If logging functionality is still detected, a note will appear in the output window after compilation. Siemens SiePortal 4. Troubleshooting Simulation Errors Ignore for Testing : If this message appears during a Simulation : If the license was previously working but

The error is frustrating because it often appears after everything else is working perfectly. The root cause almost always lies in the gap between what you think you licensed and what is actually installed on the runtime machine.

Here is the hierarchy of licensing you need to know:

the official logging license to the active station via ALM. Logging is unneeded, but the pop-up continues to show.

You are using logging functionality but have only purchased the base WinCC Runtime Advanced license, not the additional logging license. B. Defective License (Improper Shutdown) WinCC Logging for Runtime Advanced" error occurs because

Right-click and delete the logs, or change the logging setting to "none." Recompile and download the project to the PC. The error will disappear.

: 6AV2107-0GA00-0BB0 (Physical USB) or 6AV2107-0GA00-0BH0 (Online Download) Troubleshooting Steps

In Siemens TIA Portal, is a PC-based visualization software used for operating and monitoring machines. While basic HMI operations run under standard runtime licensing, advanced historical data tasks require distinct feature licenses. The Core Cause

Safely eject the drive and insert it into the Runtime Advanced PC. If logging functionality is still detected, a note

This comprehensive technical guide breaks down why this licensing error occurs and provides a step-by-step framework to resolve it. Understanding the Error Root Cause

To resolve the "License Key Not Available" error for WinCC Logging for Runtime Advanced Link, follow these troubleshooting steps:

Go to and verify that no alarm classes are mapped to an active alarm log.

The runtime will continue to simulate logging functionalities for trial purposes, though it is not permissible or stable for industrial production use.