License Key Not Available Wincc Logging For Runtime Advanced Work __link__
The “License key not available” error for WinCC Logging in Runtime Advanced is almost always a licensing configuration issue. The solution involves confirming that a valid, version-compatible, non-expired license is installed and recognized by Automation License Manager. Following the structured troubleshooting above resolves >95% of cases without requiring software reinstallation.
This licenses the core software and the number of PowerTags (e.g., 512, 2048) your runtime is authorized to communicate with.
Happy engineering, and may your WinCC Runtime run error-free! 🚀 The “License key not available” error for WinCC
Follow Siemens procedures to restore/repair the license via ALM. Logging enabled by mistake. Remove Log tags/archives in TIA Portal configuration.
The WinCC licensing mechanism depends on background Windows services. If these services are stopped or disabled, the system cannot "see" the installed licenses even if they are physically present. This licenses the core software and the number
Ensure the license key version matches the TIA Portal version you are using (e.g., V17, V18, V19). A V15 license might not work with a V18 project. 3. How to Resolve the "Logging Not Needed" Scenario
You can verify your project’s requirements: Open your WinCC (TIA Portal) project and navigate to the Runtime settings. If you have configured any , Historical Trends , or Alarm Logging , the system will expect the Logging license. Logging enabled by mistake
: 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.
Under the hood, the WinCC Licensing Manager is performing a routine check. When your project calls for a Logging function that requires a license not found on the system, the manager triggers this alert. It might appear right at the start or pop up periodically to remind you of the unlicensed function being accessed.