Look for a license named . Verify the status is "Used" or "Available." 3. Transfer the License Key
The "License key not available! WinCC Logging for Runtime Advanced" error is a common but solvable licensing issue that stems from a misunderstanding of Siemens' licensing model or technical problems with the license itself. By following the structured approach outlined in this guide—systematically checking your licenses with ALM, disabling unused features, or installing the required license—you can resolve this error quickly. Remember that a proactive approach to managing licenses and system shutdowns is the best way to ensure your WinCC Runtime Advanced system operates reliably without interruptions.
Licenses the core operation based on the number of external tags used.
Search for in the Windows Start menu. Ensure the service is "Running."
: The required license key was correctly purchased and initialized via the Automation License Manager (ALM) but became defective due to sudden power loss, ungraceful IPC shutdowns, or severe system errors. Comprehensive Troubleshooting Matrix Symptoms & Context Core Reason Definitive Fix Error appears during PC simulation in TIA Portal. Look for a license named
Must be on the local C: drive or an accessible network server.
Resolving the "License Key Not Available! WinCC Logging for Runtime Advanced" error requires a clear understanding of the separated licensing model for PC-based Runtimes. By following the systematic approach outlined in this guide, you will be able to not only fix the immediate issue but also implement strategies to prevent its recurrence, ensuring a stable and legally compliant automation environment.
ALM provides detailed log files that can pinpoint exactly which license is missing. These logs are often the fastest way to a correct diagnosis.
Here is a comprehensive guide to troubleshooting and resolving this specific licensing error. Understanding the Error WinCC Logging for Runtime Advanced" error is a
Sometimes, logging is enabled accidentally in the development phase, triggering unnecessary license demands during runtime execution. Open your project in . Navigate to the HMI device folder in the project tree. Open Historical Data . Review the tabs for Data logs and Alarm logs .
If you are trying to configure "Tag Logging" or "Alarm Logging" to a file, and you only have the standard Runtime license installed, the system will throw the "License Key Not Available" error the moment the archive service tries to initialize.
If missing, you must purchase the license (Article No: 6AV2107-0GA00-0BB0 ) and transfer it to the PC.
Select the license, and use the function to restore it. Step 4: Verify Project Configuration Licenses the core operation based on the number
If you use a served by the Automation License Manager Server :
Check the "License Type" column. If it says "Demo" or is completely missing, you must acquire a valid license. Step 2: Acquire the Correct MLFB (Part Number)
typically indicates that the application is attempting to use logging features historical alarm logging process value archiving ) that require a specific optional license key beyond the standard Runtime Advanced powertags license. Siemens SiePortal Core Resolution Steps Verify Purchased Licenses : Open the Automation License Manager (ALM) and ensure you have a license specifically for "WinCC Logging for Runtime Advanced" . A standard Runtime license for tags does recipe functions on PC-based systems. Check License Integrity , right-click your logging license and select
Every system integrator knows the feeling. It’s Friday afternoon, the factory acceptance test (FAT) is on Monday, and you are putting the finishing touches on your Siemens WinCC application. You hit the "Start Runtime" button, expecting to see your beautifully designed HMI screens come to life.