license key if your project contains any Tag Logs or Alarm Logs. Accidental Feature Activation
Disclaimer: This article is for informational purposes. Siemens product names, versions, and licensing mechanisms may change. Always refer to the official Siemens Industry Online Support (SIOS) for the latest documentation. license key if your project contains any Tag
typically appears because WinCC Runtime Advanced requires a dedicated, separate license for any historical data logging. Unlike Comfort Panels where logging is often included, PC-based Runtime Advanced systems treat logging (Tag Logs and Alarm Logs) as an optional package. Siemens SiePortal Common Scenarios and Fixes Missing Optional License : Even if you have a valid WinCC Runtime Advanced PowerTags license, you must also purchase and install the "WinCC Logging for Runtime Advanced" Always refer to the official Siemens Industry Online
Troubleshooting: "License Key Not Available" for WinCC Logging and licensing mechanisms may change.
Siemens licenses come in different types: