This policy setting allows you to prevent AutoPlay from remembering user's choice of what to do when a device is connected. ...

This policy setting allows you to prevent AutoPlay from remembering user's choice of what to do when a device is connected.

          If you enable this policy setting, AutoPlay prompts the user to choose what to do when a device is connected.

          If you disable or do not configure this policy setting, AutoPlay  remembers user's choice of what to do when a device is connected.