Ensure the license status icon turns completely green, indicating an active, valid license key. Step 5: Restart the WinCC Runtime Service
This comprehensive technical guide breaks down why this licensing error occurs and provides a step-by-step framework to resolve it. Understanding the Error Root Cause
Imagine you have just finished commissioning a high-end IPC with SIMATIC WinCC Runtime Advanced Ensure the license status icon turns completely green,
Connect the USB license stick to the PC, or log into your Siemens OSD account via ALM.
in TIA Portal, remove all Tag and Alarm logs, and disable "Good Manufacturing Practice" before downloading to the PC again. for the logging licenses or how to repair a license marked as defective? in TIA Portal, remove all Tag and Alarm
If you are using a SIMATIC IPC, ensure the license is on a authorized storage medium.
Some users purchase the "WinCC RT Advanced (Unlimited)" license, thinking it covers everything. While this license provides unlimited PowerTags, . According to Siemens experts, even the "Unlimited" package requires the separate Logging add-on license to archive data. Some users purchase the "WinCC RT Advanced (Unlimited)"
After purchasing, you will receive a license key file ( .axf or .alf ). Install it via using License > Transfer .
The License key not available! WinCC Logging for Runtime Advanced error is fundamentally a licensing mismatch. While it feels like a bug, it is the software enforcing its strict compliance rules.
| License Name | Contains Logging? | | :--- | :--- | | | ❌ No – Basic visualization only | | WinCC Runtime Advanced + Logging | ✅ Yes | | WinCC Runtime Advanced Audit | ✅ Sometimes (Check exact order number) | | Powerpack "Logging" for WinCC Advanced | ✅ Yes – This is an add-on license |