No notification popup when USB device is connected to the OS X client


Disclaimer: Please contact Sophos Professional Services if you require assistance with your specific environment.


When a user connects their USB device to the OS X client, they are not getting the pop up screen which prompts them to choose the encryption for removable devices.

This article describes the possible reasons why the OS X client does not recognize a USB device.

Applies to the following Sophos products and versions
Not Product Specific

 Reasons why the USB device is not recognized 

The following are possible reasons why some use cases will not show the user notification popup:

  • The USB devices are formatted to be able to use UEFI tools like rEFlt

  • The USB devices are encrypted like Kingston Datatravler Locker G3

  • The USB stick already has a SGN structure but from a different SGN backend

  • Application based SGN policy is in place

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formatting changes
[edited by: Yashraj at 5:55 AM (GMT -7) on 30 Apr 2021]