License Key Not Available Wincc Logging For Runtime Advanced Link 【Official ⟶】

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: To prevent license corruption, always exit the WinCC Runtime cleanly before shutting down the OS. Using a UPS is highly recommended for IPCs in the field. This public link is valid for 7 days

At its core, this error message indicates that the WinCC Runtime environment has detected an active or potential use of logging functions, but it cannot find a for the "Logging for Runtime Advanced" option. Many users are confused because their core WinCC Runtime Advanced license might be present and functional, yet the error persists. This is because, in the WinCC licensing model for PC-based Runtime, the core PowerTag license and the logging option are separate items that must each be licensed. Can’t copy the link right now

By ensuring the dedicated logging add-on license is accurately matched to your TIA Portal version and properly transferred to the local station, you can eliminate this runtime error and ensure continuous, uninterrupted data acquisition. Using a UPS is highly recommended for IPCs in the field

If logging was configured by accident and is not needed, delete the logs and recompile the project to clear the error.

This is a key distinction compared to SIMATIC Panels, where "logging and recipes are already included and do not need to be licensed separately". For WinCC Runtime Advanced stations, however, the Logging option is an add-on that requires its own license key.