The Silent Showstopper: Solving "License Key Not Available" in WinCC Logging for Runtime Advanced
Every system integrator knows the feeling. It’s Friday afternoon, the factory acceptance test (FAT) is on Monday, and you are putting the finishing touches on your Siemens WinCC application. You hit the "Start Runtime" button, expecting to see your beautifully designed HMI screens come to life.
Test in runtime
Start the Runtime Advanced application. The license error should no longer appear.
The error message "License key not available! WinCC Logging for Runtime Advanced"
- Uninstall ALM via Windows Settings.
- Reboot.
- Download the latest version of ALM from the Siemens Industry Online Support website (match your WinCC version).
- Install and then re-transfer your licenses.
requires a separate, dedicated license for historical data functions like Tag Logging Alarm Logging
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?