Saturday, October 25, 2008

Vista: Windows Updates Proxy Configuration

When I try to run Windows Updates (behind a proxy server) in Windows Vista, it returns error code 8024402C. This is because Windows Updates does not use the same proxy settings as Internet Explorer by default.

To configure proxy settings for Windows Update:
1. Run cmd as Administrator
2. Stop Windows Update services:
c:\> net stop wuauserv

3. Configure WinHTTP system proxy settings
c:\> netsh
netsh> winhttp
netsh winhttp> import proxy source=ie

4. Delete old Windows Updates files

5. Start Windows Update services:
c:\> net start wuauserv

Windows Core Networking WinHttp Configuration for Windows Vista Beta 2 - Part 2
Web Services Contraptions - Vista RC1 and Windows Update from behind a Proxy (Error 8024402C)
How the Windows Update client determines which proxy server to use to connect to the Windows Update Web site

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