License Key Not Available Wincc Logging For Runtime Advanced Link [top] Jun 2026

Ensure that logging is actually required. If you are not logging data, check your HMI screens to ensure you aren't trying to open a trend view that requires historical data. 4. Special Case: HMI Panels vs. IPCs Licensing rules differ slightly based on hardware:

section in your TIA Portal project tree. If you don't need logging, delete all entries here and recompile the project. GMP / Audit Trail

: If you do not need logging, you can remove the error by deleting all configured Data Logs or Alarm Logs in your TIA Portal project under Runtime Settings . Ensure that logging is actually required

If you don't need logging, check your project for configured or Alarm Logs and delete them to remove the license requirement. SmartServer Popup

To avoid seeing "License key not available for WinCC logging" again: Special Case: HMI Panels vs

Siemens licenses are tied to specific article numbers (MLFBs). To eliminate the error permanently, you need to purchase the logging option. The exact part number depends on the software version you are running (e.g., V17, V18, V19). Common examples include:

Verify the diagnostics view or alarm window to confirm the "License key not available" message has cleared. Troubleshooting Persistent Issues GMP / Audit Trail : If you do

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.

Verify if a license named is present and has a green checkmark.

: Plug in the USB flash drive containing your licensed Siemens certificates.