Do you see the license key listed as inside your Automation License Manager software? Share public link
If licensing appears fine, the project might be configured to demand a license for features you aren't using.
If the issue persists after the steps above, provide the following to Siemens Technical Support:
When working with Siemens TIA Portal and WinCC Runtime Advanced, experiencing the error can immediately halt production monitoring and data logging operations. This error typically appears when starting the Runtime environment, indicating that while the base WinCC Runtime license might be present, the specific license required for logging data (tag logging or alarm logging) is missing, inactive, or damaged. Do you see the license key listed as
: The correct license was purchased and loaded, but improper PC shutdown (such as an abrupt power outage on an IPC) left the license flagged as "defective" within the ALM registry.
By matching your project's logging configuration with the explicit license in ALM, you can permanently eliminate this error and ensure continuous, uninterrupted data collection.
To help narrow down the solution for your specific setup, could you tell me: This error typically appears when starting the Runtime
While article numbers change slightly with major TIA Portal versions, the standard floating license for WinCC Logging for Runtime Advanced typically follows the structure 6AV2107-... (e.g., 6AV2107-0JA00-0BB0 ).
Open the Automation License Manager (ALM) . Alex checked if the specific "WinCC Logging for Runtime Advanced" license was present.
You purchased the core WinCC Runtime Advanced (PowerTags) license, but did not purchase the additive WinCC Logging for Runtime Advanced license. To help narrow down the solution for your
在 TIA Portal 的“Historical Data”（历史数据）设置中，哪怕只创建了一个空的记录变量，WinCC 也会认为你使用了 Logging。
Open ALM and use the function to see if the logging license is present and valid.
有时 ALM 中明明显示可用的许可证，但 WinCC 仍然提示缺失。这种情况往往是因为许可证被标记为“”。常见原因：IPC 未正常关机（如突然断电），导致许可证未被释放。
几个常见的“隐形触发源”会无意间开启 WinCC 的 Logging 需求：
Below is a comprehensive guide to understanding, identifying, troubleshooting, and eliminating this error popup. Root Causes of the Error