Daniel Halbe wrote:
As you can see the proxy first says: Authentification required. Then the client responds and sends an NTLM_AUTH challenge and the proxy permits access. This works fine for every webpage but not for Windows Update :-(
312955 - Windows Update may Not work in Windows XP if an Authenticating Web proxy is Used http://support.microsoft.com/Default.aspx?scid=kb;en-us;312955
Solution: acl update-micro-dom dstdomain .microsoft.com acl update-micro-dom dstdomain .windowsupdate.com # http_access allow update-micro-dom Bye Stefano
