License Key Not Available Wincc — Logging For Runtime Advanced

The error is a classic licensing enforcement mechanism from Siemens, not a bug. It is triggered when the system detects that logging features are enabled in the HMI project but no corresponding, valid, accessible license exists on the target machine.

By understanding how Siemens’ Power Tag and logging licenses interact, you can quickly diagnose the issue, implement a fix, and get back to monitoring your process without data gaps. Always remember: in the world of industrial automation, a missing license is always a human error in planning or installation—rarely a technical fault of the software itself. license key not available wincc logging for runtime advanced