License Key Not Available Wincc Logging For Runtime Advanced ★ Must See

If you are using a USB dongle (like the green C79040-Gxxxx key), outdated firmware can cause detection failures.

Over time, the license cache or Windows registry can become corrupted, especially after uninstalling older versions or using third-party cleanup tools.

Few things are more frustrating than spending hours configuring your HMI project, only to be greeted by a cryptic red error message when you hit "Start Runtime." If you are seeing the error "License key not available for WinCC Logging for Runtime Advanced," you are not alone. license key not available wincc logging for runtime advanced

This specific error halts data logging, stops archiving, and prevents you from viewing historical trends. In this post, we’ll break down exactly why this happens and, more importantly, how to fix it.

Siemens uses the Automation License Manager (ALM). Common issues include: If you are using a USB dongle (like

You might have a valid license, but you are logging too many variables.

If you have the correct license but the version is wrong: Check status: It must say Available and Usable

If you have followed all steps above and still see the error, gather the following before calling support:

Siemens support can remotely check your license file integrity and provide a replacement if the key was defective.