• Error 4000 Failed to add license (Invalid license key)
• Error 4001: Failed to add license (The license is not activated)
• Error 4004: Failed to add license (The specified license is not allowed to be registered)
• Error 4221: Failed to add license (This license has already been registered)
• Error 4000412: The license in the profile is duplicated
• Error 4041: This license ID is invalid
• Error 4002008: The device count has exceeded the license quantity
• Error 4003000: The license in the profile has expired
• Error 4042007: The license assigned to the profile cannot be found
• Error 4092001: Failed to update license

Error 4221: Failed to add license (This license has already been registered)

This license key cannot be added, because it has already been activated by KNOX Customization Configurator.

To troubleshoot

This license has already been registered. Ensure you’ve entered the correct license key. To purchase new licenses, contact knoxcustom@samsung.com.