Software Update Fails with Error Code 0x80244018 – HTTP/1.1 403 Forbidden by proxy

Windows Server 2016 would not download updates from WSUS server running WSUS v4.0.  Viewing the WindowsUpdate.log the following error was noted:

  • HTTP/1.1 403 Forbidden by proxy

Unable to easily view the IE proxy settings as IE had been disabled by Group Policy on the server.  Fix was to reset the proxy settings using the following command:

  • netsh winhttp reset proxy