As more companies are rolling out Windows 10 in the environment, there have been an increased number of reports of Windows 10 clients trying to retrieve information from across the Internet despite being managed by WSUS or SCCM. Microsoft has taken time to explain what the situation might be, but many may have missed a KB article from July 2016 that detailed changes in how Windows 10 clients treat proxy requests – particularly HTTP RANGE requests.
According to KB3175743:
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