What does 'Required "Programming" connection mode is not available' indicate with Unity Pro?.

Hur kan vi hjälpa dig idag?

Issue
When trying to connect to the CPU along with the above message it states: Do you wish to use "Monitoring" connection mode instead? (PLC is already reserved by entity : xxxxx.)

Product line
Unity Pro, Control Expert

Resolution
This means that either a second programming window is open on this PC and it is already connected to the PLC or someone else is already connected to the PLC remotely.

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