License Key Not Available Wincc Logging For Runtime Advanced Work May 2026

Permissions and file integrity

: The license is mandatory only when the project is deployed to a productive PC system. 4. Resolution Steps Purchase/Install License Permissions and file integrity : The license is

Would you like a sample script to implement unlicensed file-based logging as a workaround, or help phrasing this for Siemens Industry Online Support? If you have ever stared at the alarm

If you have ever stared at the alarm buffer of a Siemens HMI, wondering why your data logs look like Swiss cheese—full of holes—you might have met the silent killer of industrial data integrity: Permissions and file integrity : The license is

, a plant engineer who just finished setting up a process monitoring system on a PC using . Everything looked perfect until Alex hit the "Start Runtime" button and was greeted by a persistent pop-up: "License key not available! WinCC Logging for Runtime Advanced."

Instead of a graph, you see: