How to avoid the "reserved by empty" issue happen after connecting Premium CPU using Unity Pro

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Premium version 3.1 improves the reservation process, it could avoid "reserved by empty" error message after reconnection with Unity, unattended error message when disconnecting Premium PLCs will appear by configuration in Unity Pro or by application, it is now possiable to deactive FTP amd HTTP services when not used. This concerns any Ethernet port from the whole Premium platform._Implement Unity application password protection for Premium platforms_Remote RUN/STOP requests on Premium are now blocked when PLC is configured in Memory Protect mode.

This firmwre file can be downloaded from Schneider web.