License Key Not Available Wincc Logging For Runtime Advanced Work !!top!!

By purchasing the specific license and transferring it via Automation License Manager, Alex's pop-up finally vanished. The plant’s process data was now being logged safely to the SQL database without interruption.

Checking the license version in the ALM to ensure it matches your TIA Portal version.

If you do not actually need to archive data and want to stop the error message:

Once the correct license is activated, your data logs, historical trends, and alarm archives will spring to life. Remember that in automation, a missing license is rarely a bug – it is a feature waiting to be purchased. By purchasing the specific license and transferring it

Understanding the "License Key Not Available" Error in WinCC Logging

If you are used to working with Comfort Panels, you might not have encountered this specific issue. Comfort Panels have logging functionalities inherently built-in and licensed to the hardware. However, when migrating to a , Siemens strictly enforces software add-on licenses. Step-by-Step Resolution: Managing and Transferring Licenses

If a license is shown as defective in ALM, you may need to contact Siemens Technical Support to have it restored using your Certificate of License (CoL). : If you do not actually need to archive

解决方法：

如果你确认，可以按照以下步骤彻底清除：

If your TIA Portal project includes a or an Alarm Log , the runtime engine actively checks for these specific option licenses upon startup or when a logging trigger occurs. If the license is missing, corrupt, or of the wrong version, WinCC displays the "License Key Not Available" system alarm, and logging functions are disabled. Step 1: Identify the Missing License ensuring seamless logging operations.

Before modifying licenses, check if your project actually needs historical logging or if a feature was turned on by accident. Open your project tree in Siemens TIA Portal and audit these specific areas: 1. Data Logs & Tag Archiving

The "License Key Not Available" error can be frustrating, especially when it hinders the logging functionality in WinCC Runtime Advanced Work. This article aims to provide a comprehensive guide to troubleshoot and resolve the issue, ensuring seamless logging operations.

This pop-up notification triggers when the compiled configuration commands the HMI Runtime system to record historical data, but the local Siemens Automation License Manager (ALM) cannot locate or validate the required authorization key.