: Ensure port 22350 is open, as this is used by the CodeMeter service to communicate with the license server.

A: The license is stored on the dongle’s hardware chip. If it’s physically damaged, you must contact CODESYS support with your proof of purchase. They can deactivate the lost dongle and issue a new license.

This is the standard method for workstation or device licenses if your PC has internet access.

Your CNC machine or power plant PLC should never touch the internet. Here is the manual method.

: A software-based license bound to your hardware. Dongle : A physical USB key (e.g., CodeMeter).

Codesys License Activation -

: Ensure port 22350 is open, as this is used by the CodeMeter service to communicate with the license server.

A: The license is stored on the dongle’s hardware chip. If it’s physically damaged, you must contact CODESYS support with your proof of purchase. They can deactivate the lost dongle and issue a new license.

This is the standard method for workstation or device licenses if your PC has internet access.

Your CNC machine or power plant PLC should never touch the internet. Here is the manual method.

: A software-based license bound to your hardware. Dongle : A physical USB key (e.g., CodeMeter).