Do not simply switch off the IPC. Fully exit the runtime software, and if the IPC needs to be shut down, do so via the Start menu of the operating system. This releases used licenses and makes them available for the next startup. For unpredictable power outages, use an uninterruptible power supply (UPS) to allow time to exit properly.
When starting or using SIMATIC WinCC (Runtime Advanced) logging, you see an error like:
By ensuring the correct license is installed and active, you can eliminate the pop-up warning and enable full historical data capabilities in your WinCC Runtime Advanced project. Do not simply switch off the IPC
Sometimes, the error arises from a compatibility issue between an older version of ALM and a newer version of WinCC Runtime Advanced.
Do you see the logging license listed inside your ? Do you see the logging license listed inside your
: Often starts automatically; if unused, disable the "CoRTSmartServer" service in Windows.
Leftover trend views or active data archive tags remain inside the HMI app. For unpredictable power outages
When simulating a project in TIA Portal on your engineering PC, the simulation tool behaves exactly like the actual Runtime. If your project has logging enabled, the simulation will also prompt for the logging license key unless that key is transferred to your engineering station. order codes for the logging license or instructions on how to transfer keys using a USB drive?
How to Fix the "License Key Not Available" Error for WinCC Logging in Runtime Advanced
If logging is necessary, check the target PC running the HMI: