: The most common cause is that your project uses a feature you haven't licensed. The WinCC Logging for Runtime Advanced license is an optional add-on and is not included with the standard WinCC Runtime Advanced license. Even with the correct Runtime license, you need the separate Logging license to archive process values or alarms.
(Note: Physical SIMATIC Comfort Panels or Mobile Panels do not require separate logging or recipe licenses for historical data tasks; this constraint strictly applies to PC-based Runtime setups). Resolution Pathways
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. : The most common cause is that your
杀毒软件或 Windows Defender 可能拦截了 ALM 的许可证校验进程。
If your production site requires active data trending, long-term historical alarms, or regulatory compliance archives, you must obtain and activate the license. (Note: Physical SIMATIC Comfort Panels or Mobile Panels
. If logs are defined but not used, delete them and recompile the project. Disable GMP Runtime Settings > Good Manufacturing Practice
If you have successfully transferred the license but are still receiving the "license key not available" error, the issue usually stems from a background communication failure or service timeout. Try these troubleshooting steps: 1. Perform a License Key "Check" If issues persist, do not hesitate to contact
Disclaimer: Do not pirate software. But Siemens offers legal grace periods.
Try using the "Restore" function in the Automation License Manager.