Configuring Windows Update to Use a Proxy Server
Windows Update can use an HTTP proxy server. However, configuring Windows Internet Explorer is not sufficient to configure Windows Update because Windows Update uses Windows HTTP Services (WinHTTP) to scan for updates and BITS to download updates.
You can configure Windows Update to use a proxy server in two ways:
Web Proxy Auto Detect (WPAD) settings are configured. The WPAD feature lets services locate an available proxy server by querying a Dynamic Host Configuration Protocol (DHCP) option or by locating a particular Domain Name System (DNS) record.
Use the Netsh command-line tool, which replaces the Proxycfg.exe tool.
To use the Netsh command-line tool, first switch to the Netsh Winhttp context. ...
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