Surface Hub can't download updates from Windows Update

If you have a proxy server configured and you try to check for and download updates through Windows Update on the Surface Hub, the download either does not start or remains stuck at 1% progress. If you check for and download updates on a connection that has a direct access to the Windows Update servers, this works without a problem.
This issue occurs if a proxy tries to do any of the following:
  • SSL inspection
  • Cache updates from Windows Update
  • Block support for partial file download (HTTP range headers)
Windows Update uses dynamically created temporary file names that differ for each computer that downloads updates. This eliminates any benefit that might be gained from caching. Windows Update also uses the Background Intelligent Transfer Service (BITS) as a client, which can request partial files—an operation that the proxy may not support. (Instead, the proxy may support only entire objects.) Larger updates, such as Feature updates, can be tailored by the Windows Update servers to each individual computer.
To resolve this issue, make sure that the proxy does not try to perform any of the operations that are described in the "Cause" section on Windows Update traffic. For a list of the URLs that are used by Windows Update, see Can't download updates from Windows Update from behind a firewall or proxy server.

If you are using a Bluecoat proxy, you can find more details at Microsoft Windows updates fail to install.

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Article ID: 3191418 - Last Review: 09/15/2016 21:49:00 - Revision: 3.0

Surface Hub

  • KB3191418