License Key Not Available Wincc Logging For Runtime Advanced Link File

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.

If you don't need logging, check your project for configured or Alarm Logs and delete them to remove the license requirement. SmartServer Popup If you’ve encountered the error you aren’t alone

Use the standard Windows FileSystemObject ( CreateObject("Scripting.FileSystemObject") ) to open, append, and close external text files. By following the structured approach outlined in this

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. disabling unused features

When you see this message, the WinCC Runtime engine has detected that your project includes logging functions—such as Data Logs or Alarm Logs—but cannot find the required license key on the local machine or a connected license server.