• Error 4002003: Invalid or duplicate devices in uploaded CSV file
• Error 4002000: Some devices are invalid
• Error 4002004: Invalid or duplicate devices detected
• Error 4012000: Incorrect IMEI or Serial Number
• Error 4000307 :The devices are already registered
• Error 4000308: The device is in an invalid state
• Error 4000013: The CSV file header is invalid
• Error 40000414: The CSV file is empty
• Error 4042000: The uploaded devices could not be found
• Error 0: Failed to register device
• Error 4041401: The device was not found

Error 4002004: Invalid or duplicate devices detected

The device that you are trying to upload has already been added to Custom Configurator.

To troubleshoot

1. On the KNOX Customization Configurator Portal, go to Devices.
2. Next to the Device ID column, click on the magnifying glass icon.
3. Enter the IMEI or serial number of the device that you are trying to upload.
4. If the IMEI or serial number can be found in the system, the device has already been uploaded. You don’t need to upload the device again.

If the problem persists, contact Samsung.