License Key Not Available Wincc Logging For Runtime Advanced Work [2021] -

The error message typically occurs when a project configured with data or alarm logging is running on a PC-based station without the specific "Logging" option license. Core Cause: The License Gap

The message "License key not available! WinCC Logging for Runtime Advanced" is ultimately a straightforward statement: the system is working exactly as designed and telling you which specific license it expects. By understanding the licensing model, verifying your installation, and methodically working through the troubleshooting steps above, you can resolve this issue quickly and get back to monitoring and controlling your processes.

If they are not running, right-click each one, select , and then set them to Automatic to ensure they start on boot. The error message typically occurs when a project

To resolve the system alert, you must understand that the standard WinCC Runtime Advanced PowerTags license only permits real-time data display and basic screen operation . A separate, dedicated SIMATIC WinCC Logging for Runtime Advanced license is strictly required whenever your TIA Portal project archives data historically on a PC-based station.

值得注意的是，如果你的 Logging 使用方式完全来自非 WinCC 原生功能 （比如通过外部脚本写入自定义数据库），WinCC 自身确实不会主动报告许可缺失。但是，如果项目中触发了任何 WinCC 原生 Logging 调度，弹窗就会出现。 A separate, dedicated SIMATIC WinCC Logging for Runtime

In ALM, filter to show only "WinCC" related licenses. Check if you have the correct version of WinCC Runtime Advanced (e.g., 512, 2048 PowerTags) that matches or exceeds your project's requirements. Also, avoid having too many unnecessary license files on the system—uninstalling or deleting redundant ones can sometimes resolve conflicts.

Alex noticed a red cross next to a license in ALM. This often happens if an Industrial PC (IPC) is shut down improperly (like a power failure), causing the license to not be released correctly. By understanding the licensing model

To help narrow down the solution for your specific setup, could you tell me:

You might be triggering a license request for a feature you didn't mean to turn on. The Problem: Runtime Settings > Good Manufacturing Practice (GMP)

: If you already have the license but still see the error, open the Automation License Manager and check if the key is marked as "defective". This can happen if the IPC/PC was shut down improperly without closing the Runtime first.

The "License Key Not Available" error in Siemens TIA Portal is a frequent hurdle for automation engineers. This specific warning triggers when you start a WinCC Runtime Advanced application that includes historical data logging, but the system cannot validate the required automation license manager (ALM) keys.