License Key Not Available Wincc Logging For Runtime Advanced
If you are running WinCC Runtime Advanced as a service (headless operation), the service account may not have permission to read the license file.
The error is rarely due to a corrupt installation. It almost always falls into one of four categories:
If all else fails:
Note: This will not delete your project files, but you will need to reconfigure the TIA Portal download path.
Why does WinCC Logging require a separate license? license key not available wincc logging for runtime advanced
Interdependency:
Runtime detection mechanism:
WinCC calls ALM_CheckFeature(L"LoggingRuntimeAdvanced") every 30 seconds. If failed, logging service stops, and error appears in Runtime → Diagnostics → License. If you are running WinCC Runtime Advanced as
| Problem | Solution |
|---------|----------|
| License exists but not loaded | Restart ALM service: net stop ALMSvc → net start ALMSvc |
| Wrong license type | Upgrade to WinCC Runtime Advanced + Logging package |
| Version mismatch | Re-download license for correct version via License Transfer Tool |
| Hardware changed | Re-host license using ALM → Transfer → Re-host (requires internet) |
| Corrupted license | Delete from ALM → re-import from original .ALF or .DLF file |
| User rights | Run WinCC Runtime as Administrator → set full control for C:\ProgramData\ALM |
| Dongle not detected | Reinstall dongle driver (from Siemens DVD → Support → USB Driver) |
Start your WinCC Runtime Advanced project. Note: This will not delete your project files,