License Key Not Available Wincc Logging For Runtime Advanced [portable] -
WinCC calls ALM_CheckFeature(L"LoggingRuntimeAdvanced") every 30 seconds. If failed, logging service stops, and error appears in Runtime → Diagnostics → License .
The error "License key not available! WinCC Logging for Runtime Advanced" occurs because Siemens treats (tag and alarm logs) as an additional software option that requires its own specific license key, separate from the standard WinCC Runtime Advanced license . Core Requirements for WinCC Runtime Advanced license key not available wincc logging for runtime advanced