Industrial PCs that suffer sudden power drops, emergency stops, or hard shutdowns do not allow the runtime engine to exit cleanly. This locks the active token, causing the Automation License Manager (ALM) to flag the key as corrupted or defective on the next system boot.

are enabled in Runtime settings, as these also require additional licenses. Siemens SiePortal Troubleshooting Steps : Open the Automation License Manager

This article provides a comprehensive guide to understanding why this happens, how to verify your license, and the exact steps to resolve the issue. 1. Why "License Key Not Available" Occurs

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Plug in the USB stick or copy the license file to the machine. Select the on the USB drive.