Why does the new setting prevent wireless connections? I deployed on a test group of Surfaces and all of them lost network as soon as Sophos updated. Sophos said it needed a reboot but even after the reboot the wireless was unable to connect. Multiple wireless connection and hotspot all failed to connect until a wired connection was provided to remove the 2.5 beta core. After Sophos was rolled back wireless connections were able to connect.
Called into support. I was told that there are others who have reported that this early access setting prevents connections on wifi. If you need wifi don't put this new product on your computer.