Which are you running (e.g., V17, V18, V19)?
Ensure you have the Logging license, not just the base PowerTags license.
If you’ve encountered the error you aren’t alone. This common pop-up appears in Siemens TIA Portal when the software attempts to record historical data—such as alarms or tag logs—without a valid license for the logging option.
Follow this systematic plan to resolve the error, regardless of its root cause.
The license is healthy. Ensure the software version of the license matches your TIA Portal project version. Step 3: Transfer the Missing License Key
Follow the instructions in the Siemens SIOS support article to restore it. Solution 3: Verify License Storage Location
If an IPC experiences a sudden power failure or is abruptly turned off without a clean closure of the WinCC software, active licenses cannot release properly. On the next boot cycle, the Siemens Industry Online Support team notes that Automation License Manager will mark these unreleased keys as . Step-by-Step Troubleshooting and Resolution
: WinCC Logging for Runtime Advanced (Current Version, Download format).
Select the local drive (usually C:) from the left-hand navigation tree. Review the list of "Installed License Keys."
and confirm the "WinCC Logging" key is present and installed on the local drive. Siemens SiePortal 2. Resolve "Defective" License Status
What as installed inside your Automation License Manager? Share public link
Note: Siemens licenses are generally backward-compatible. A newer version license (e.g., V19) will usually authorize logging on an older runtime version (e.g., V17). Step 3: Transfer the License to the Runtime PC
The comprehensive guide below walks through why this error happens, how to resolve it, and methods to protect automation runtime licenses from corruption. Root Causes of the License Error
A basic WinCC Runtime Advanced license only covers core SCADA operations and Powertags. If the project contains a or an Alarm Log , Siemens requires a dedicated add-on license called WinCC Logging for Runtime Advanced . Physical hardware like Comfort Panels or Mobile Panels archive data for free, but PC-based runtime stations must have this license transferred. 2. Simulation Environment Alerts
