License Key Not Available — Wincc Logging For Runtime Advanced Work

"License key not available! WinCC Logging for Runtime Advanced"

The error message occurs when a WinCC project includes data or alarm logging features, but the specific WinCC Logging for Runtime Advanced license is missing from the Siemens Automation License Manager (ALM). Common Root Causes

9. Evidence Collected

Runtime Advanced vs. Runtime Professional

The Logging Option

: This is a separate, additional license required specifically for Tag Logging and Alarm Logging on PC-based systems. Alex's Troubleshooting Checklist "License key not available

Specifically, I’m talking about that dreaded moment you open your WinCC Runtime Advanced logging viewer, only to see a cryptic message: "License key not available. Logging disabled." Evidence Collected Runtime Advanced vs

2. Diagnosing the Missing License

Imagine you’ve just deployed a WinCC Runtime Advanced project to a new Industrial PC (IPC). The system boots, the HMI screens appear, but suddenly, an annoying popup declares the logging license is missing. Step 1: Check the Project Configuration The most common cause is that you’ve enabled Alarm Logs in TIA Portal. The Problem: Logging disabled