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

If you are trying to configure "Tag Logging" or "Alarm Logging" to a file, and you only have the standard Runtime license installed, the system will throw the "License Key Not Available" error the moment the archive service tries to initialize.

: Often starts automatically; if unused, disable the "CoRTSmartServer" service in Windows. If you are trying to configure "Tag Logging"

While WinCC Runtime Advanced handles standard HMI tasks, historical data logging is a separate, billable option that requires its own dedicated license key. Why This Error Happens Why This Error Happens The error message occurs

The error message occurs when you have configured a Data Log or Alarm Log in a WinCC Runtime Advanced project but do not have the specific optional license required for historical data storage . Unlike standard HMI panels (Comfort/Basic), the PC-based WinCC Runtime Advanced requires a separate license for logging functionality. Immediate Solutions You have a license—so why is the system refusing to work

The screen might load, but your trend views are empty, your alarm logs are silent, and that sinking feeling in your stomach sets in. You have a license—so why is the system refusing to work?