| 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 | | 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) |
Fixing the "License Key Not Available" Error for WinCC Logging in Runtime Advanced
: Even if you have a valid "WinCC Runtime Advanced [X] PowerTags" license, you must also have a WinCC Logging for Runtime Advanced license key (e.g., MLFB: 6AV2107-0GA00-0BB0 ) if your project contains a "Data Log" or "Alarm Log". license key not available wincc logging for runtime advanced
If you installed a Base RT license but try to use logging, the system reports the license as unavailable.
You must ensure the correct license is installed on the target machine. SIMATIC WinCC Logging for Runtime Advanced | Problem | Solution | |---------|----------| | License
For further assistance, the Siemens Industry Online Support forum (support.industry.siemens.com) has extensive discussions on this topic, including the detailed threads indexed under IDs 317167, 304234, and 296766. Consulting these resources can provide additional, user-generated context for your specific hardware setup.
Thinking that a 512 PowerTag license automatically includes historical logging. It does not. SIMATIC WinCC Logging for Runtime Advanced For further
Siemens frequently releases updates that improve license stability. Use the "TIA Portal Updater" and "ALM Updater."
The core issue lies in the distinction between the and option licenses within Siemens TIA Portal.
If you are using a , note that the trial licenses for WinCC Advanced typically include all options (including Logging) for the first 14-21 days. After that period, the "Logging" component shuts off even if the base visualization works. You cannot fix this without purchasing a real license.
Let's quickly recap the key points before wrapping up.