Download and install the latest Automation License Manager (ALM) Service Pack from the Siemens Industry Online Support site. 4. Remove logging (if not required)
The error "License key not available" usually means one of three things:
Runtime Advanced logging failed because the required WinCC license key was not present or detected on the target machine. As a result, logging features for runtime (historical data, alarms, or diagnostics tied to licensed features) were unavailable, impacting data capture and troubleshooting.