License Key Not Available Wincc Logging For Runtime Advanced Link -

This error occurs when attempting to use (data logging and archiving) within a Runtime Advanced project (typically part of TIA Portal ). The system reports that the required license for the “WinCC Logging for Runtime Advanced link” is missing or cannot be accessed.

If these are empty but you still get the error, check if a "System Diagnostic" or "Audit" feature is enabled, as these also trigger logging requirements. 2. Check Automation License Manager (ALM) The ALM is the central hub for all Siemens licenses. This error occurs when attempting to use (data

: If the license was previously working but suddenly shows as "not available," it may be marked as "defective" in the Automation License Manager (ALM) Sometimes, you do have the correct license, but

: You must purchase and install the specific WinCC Logging for Runtime Advanced license key using the Automation License Manager (ALM) . you do have the correct license

Sometimes, you do have the correct license, but the error persists. Why?