License Key Not Available Wincc Logging For Runtime Advanced — Link

How to Fix the "License Key Not Available" Error for WinCC Logging in Runtime Advanced

A very common trap involves project migration. If you created a project for a (where logging is free) and later migrated that project to a PC-based Runtime Advanced station, the project retains the logging configuration. However, because you moved to RT Advanced, the software now checks for a license that wasn't needed before. This triggers the pop-up even if you never intentionally "turned on" logging.

This is a common issue in larger facilities. How to Fix the "License Key Not Available"

This error is distinct from a missing "Runtime Advanced" base license. The system may have a license to run the visualization screens, but it lacks the specific add-on authorization to log the data.

If your project was originally created for a Comfort/TP Panel and is now running on a PC: This triggers the pop-up even if you never

This message appears when the runtime environment attempts to use logging functionalities (tag logging or alarm logging) without the necessary software license installed on the target machine. This article provides a comprehensive guide to understanding this issue, its causes, and how to resolve it. 1. What Causes This Licensing Error?

section in your TIA Portal project tree. If you don't need logging, delete all entries here and recompile the project. GMP / Audit Trail The system may have a license to run

Siemens uses a modular licensing structure. The base license for WinCC Runtime Advanced covers standard HMI functionalities like graphics, animations, user administration, and basic communications. However, advanced functionalities require supplemental licenses.

If the license is missing, you must acquire the correct Siemens item. Siemens offers these licenses via physical USB dongles or Online Software Delivery (OSD).

requires a separate, dedicated license for historical data functions like Tag Logging Alarm Logging

Note: While this eliminates the license requirement, it places the burden of file management, data formatting, and buffer overflows onto your custom script logic. Simulating Without the Error If this error occurs during development testing: