This is subtle. Your license may allow , but your project has 150 data logs configured .
Open Automation License Manager on the runtime PC. Look for: This is subtle
The "License key not available" error for WinCC Logging Runtime Advanced This is subtle
Before you pull your hair out debugging your SQL connections or tag configurations, open the and verify that you have the specific "Logging for Runtime Advanced" key present and valid. It is a small distinction in the catalog that makes a massive difference in the field. This is subtle