We are experiencing 2.3 million requests to store-images.s-microsoft.com & store-images.microsoft.com each day from our 200 of Windows 10 (1503) workstations.
I have used GPO (Server 2012) Computer Configuration\Policies\Administrative Templates\Windows Components\Store and enabled "Turn off Store application and disabled all apps from Windows Strore.
This still doesnt stop the requests as I can monitor the requests from our Smoothwall web filter.
I dont know exactly what is trying to access these sites. We dont use 365 currently and have all our software locally installed on our PC's. Office 2016 mostly.
Any help would be appreciated before our ISP gets really mad!