If an IPC experiences a sudden power failure or is abruptly turned off without a clean closure of the WinCC software, active licenses cannot release properly. On the next boot cycle, the Siemens Industry Online Support team notes that Automation License Manager will mark these unreleased keys as . Step-by-Step Troubleshooting and Resolution
. If you didn't intend to use logging, you can often stop the error by deleting these logs or disabling features like "Good Manufacturing Practice" (Audit Trail), which also requires a license. If an IPC experiences a sudden power failure
Which are you running (e.g., V17, V18, V19)? If an IPC experiences a sudden power failure