This error typically appears during runtime startup, when attempting to archive data, or when opening the alarm and logging configuration editors. It stops your HMI (Human-Machine Interface) from logging process values, generating reports, or storing alarm messages—functionalities that are critical for regulatory compliance (FDA, GMP, ISO) and process optimization.
Introduction If you are a Siemens WinCC (Windows Control Center) user, specifically working with the Runtime Advanced version, you have likely encountered the dreaded error message: "License key not available for WinCC Logging for Runtime Advanced." license key not available wincc logging for runtime advanced