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

The "License key not available" error for WinCC Logging for Runtime Advanced typically occurs because the base WinCC Runtime Advanced

Logging Tasks: If Alex didn't actually need historical data, they could simply delete the configured logs in "Historical Data" to make the error disappear. The "License key not available" error for WinCC

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 Phase 2: Common Troubleshooting Fixes If the license

Incident Report — License Key Not Available: WinCC (Logging for Runtime Advanced)

Date: April 9, 2026
Scope: Siemens WinCC (Runtime Advanced) — runtime logging functionality failed due to missing license key. The "License key not available" error for WinCC

Phase 2: Common Troubleshooting Fixes

If the license exists but the error persists, use these steps to fix the communication between WinCC and the License Manager.

Instead of a graph, you see: "No valid license for the logging tag quantity."