. You’ve installed your PowerTags license, the communication is green, and the screens look perfect. But every few minutes, a nagging popup appears:
service starts automatically and triggers its own license warning even if not used; disabling this service can clear irrelevant popups. How to Resolve It Purchase the License WinCC Logging for Runtime Advanced (e.g., MLFB 6AV2107-0GA00-0BB0). Use Automation License Manager : Open the Siemens Support site
ALM lists the correct license key, but it shows as "defective". An abrupt shutdown corrupted the active cluster key. How to Resolve It Purchase the License WinCC
In the Siemens TIA Portal ecosystem, licensing is modular. Having a base license for engineering or the runtime environment does not automatically cover specialized option packages.
When you see this message, the WinCC Runtime engine has detected that your project includes logging functions—such as Data Logs or Alarm Logs—but cannot find the required license key on the local machine or a connected license server. In the Siemens TIA Portal ecosystem, licensing is modular
Here’s how to resolve it:
: Ensure you did not accidentally buy a "WinCC Logging for Comfort Panels" license. Comfort panel licenses do not work on PC-based Runtime Advanced systems. In the Siemens TIA Portal ecosystem
The most obvious reason: you have a project that uses Data Logs or Alarm Logging, but the corresponding WinCC Logging for Runtime Advanced license has never been purchased or installed on the target PC.
A dedicated additive license that unlocks the archiving and historical database functionality. Step-by-Step Resolution Workflow
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In the world of industrial automation, the "License key not available" popup for WinCC Logging is a classic stumbling block for many engineers. Here is the story of how this error usually unfolds—and how to fix it. The Missing Piece of the Puzzle