: Even if you do not intend to use logging, the project itself might be triggering the request for this license. If the WinCC project was created for a Comfort Panel and then migrated to a PC-based Runtime, it is possible that some logging configurations were carried over inadvertently. The message appears because the software detects that the project is attempting to use the logging functionality, regardless of whether you think it is active.
Sometimes the ALM cache becomes corrupted.
WinCC calls ALM_CheckFeature(L"LoggingRuntimeAdvanced") every 30 seconds. If failed, logging service stops, and error appears in Runtime → Diagnostics → 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. license key not available wincc logging for runtime advanced
Ensure that the "SIMATIC WinCC Runtime Advanced" (base) license and the "WinCC Logging for Runtime Advanced" license are visible in the license table.
If the ALM itself is problematic, a reinstall is often the solution.
A user on the Siemens forum described a typical situation: Their WinCC Runtime Advanced HMI worked fine, but a popup with the error appeared every ~5 minutes. This occurred even though they had a valid 512 PowerTags license. The solution was to purchase and transfer the separate license onto the PC, which resolved the popup. This highlights that the logging license is indeed required as an add-on and not included with the base WinCC Runtime Advanced license. : Even if you do not intend to
If you are running your application on a PC (Industrial PC, Laptop, PC Station), the core WinCC Runtime Advanced license does NOT include logging functionalities.
The "License key not available! WinCC Logging for Runtime Advanced" error is most commonly an , not a software bug. It occurs because the logging option is not included in the base WinCC Runtime Advanced license.
If still unresolved:
1. WinCC Runtime Advanced 512/2048/4096 PowerTags (Base License)
Before purchasing new software, verify if historical logging is truly needed by the application or if it was enabled by mistake.
Open the `Control Panel` on your IPC > Navigate to `Administrative Tools` > `Services` > Locate the `CoRTSmartServer` service > Right-click and select `Stop`. Then, set its startup type to `Manual` or `Disabled`. Sometimes the ALM cache becomes corrupted
Open the Siemens Automation License Manager on the execution machine.
In some cases, licenses can become "defective." This has been reported for the logging license in particular.