Resolving the "License Key Not Available" Error for WinCC Logging in Runtime Advanced
What (e.g., V17, V18, V19) are you using?
In WinCC Runtime Advanced (and Professional), the licensing for logging isn't a simple "On/Off" switch. It is a .
The "License Key Not Available" error in WinCC Logging for Runtime Advanced can be a complex issue, but by understanding its causes and following step-by-step solutions, you can efficiently resolve the problem. Regular maintenance, software updates, and proper system configuration can help prevent such errors in the future. If issues persist, do not hesitate to contact Siemens support for expert assistance. Resolving the "License Key Not Available" Error for
This guide explores the reasons behind this error and provides step-by-step resolution strategies.
This is by far the most frequent cause. Many users understandably assume the main Runtime Advanced license covers all archiving features.
Verify the license version matches your installed TIA Portal version (e.g., V17, V18). Note that newer licenses are generally downward compatible. 3. Update the License Manager The "License Key Not Available" error in WinCC
This forces WinCC to re-negotiate the license count without a full PC reboot.
Sometimes, even with all licenses correctly installed and services running, the runtime application may lack the system permissions needed to read the license information from the ALM.
Logging in demo mode inserts random "Demo" watermarks into your CSV exports. Do not use this for production QA reports. Use it only to prove the hardware works. This guide explores the reasons behind this error
The "License Key Not Available" error in WinCC Logging for Runtime Advanced can be a frustrating issue, hindering the efficient monitoring and management of industrial processes. This article aims to provide a comprehensive overview of the error, its causes, and step-by-step solutions to resolve the problem.
Locate the license key on your source drive (USB or OSD).
Happy engineering, and may your WinCC Runtime run error-free! 🚀
By systematically verifying your project’s storage locations, rebuilding the HMI software, and confirming key visibility in the Automation License Manager, you can quickly clear the "License Key Not Available" fault and restore historical data tracking to your plant floor.
对于维护人员和自动化工程师而言，熟练掌握 ALM 的诊断技巧、理解 WinCC 的许可依赖关系，是保障生产系统稳定运行的关键能力。希望这份指南能帮你节省排查时间，让你少走一些弯路。