License Key Not Available Wincc Logging For Runtime Advanced Link Exclusive May 2026
It sounds like you are encountering the "License key not available" error for WinCC Logging when trying to use the Runtime Advanced link in Siemens TIA Portal.
- "License key not available"
- "License missing for WinCC Runtime Advanced"
- Logging functions (message archiving, audit trail, or trace) fail to start
Unintended Feature Activation: If you do not actually need logging, ensure you haven't accidentally checked "Good Manufacturing Practice" (GMP) or other logging-dependent settings in Runtime Settings in the TIA Portal. It sounds like you are encountering the "License
- In WinCC Runtime Advanced, go to the System Diagnostics view (if accessible).
- Navigate to Licenses > Used licenses.
- Look for "Logging". If it shows "0 out of X" or "License missing," note the product ID.
- Cross-reference with ALM. If the product ID differs (e.g., license for "RT Advanced 512 PT" but logging option is missing), you need to purchase the proper option.
WinCC Runtime Advanced(base runtime)WinCC Logging(needed for archiving/logging)
For critical production environments, always maintain a *.axf file backup of your licenses and keep a spare USB dongle. If you continue to see the error after purchasing the proper license, contact Siemens Technical Support with your License Serial Number and a screenshot of the ALM window. "License key not available" "License missing for WinCC
Resolving the Error
1. Check which license you actually need
- WinCC Runtime Advanced (for PC-based HMI)
- WinCC Logging (data logging/archiving) is often an option that requires a separate license, e.g.:
: Check the status in ALM. If marked defective, you may need to contact Siemens Technical Support to have it restored. 3. Check Project Configuration Unintended Feature Activation : If you do not
