, these will appear with a "defective" status. You may need to contact Siemens Technical Support to restore them. Unintended Logging Features : Sometimes this error appears because a feature that logging is enabled by mistake. Historical data > Data logs in the TIA Portal project tree and delete any unused logs. GMP (Audit Trail)
This article provides a deep dive into the causes of this error and offers a step-by-step guide to permanently resolve it. license key not available wincc logging for runtime advanced
: In TIA Portal, navigate to Historical Data and check for any defined logs. If any exist, the logging license is required . , these will appear with a "defective" status
You might have a valid license, but you are logging too many variables. Historical data > Data logs in the TIA
If you are a Siemens WinCC (Windows Control Center) user, specifically working with the version, you have likely encountered the dreaded error message: "License key not available for WinCC Logging for Runtime Advanced."