Might find something of use here:
You experience problems when you access the Windows Update Version 5 Web site through a server that
is running ISA Server
http://support.microsoft.com/?id=885819
See also: XP Windows Update Error 0x8024402C / 0x80072f78 when behind a Microsoft ISA server
http://www.electrosonics.net/techno...r0x8024402C.htm
--
===========================
TaurArian [MS-MVP] 2005-2006
===========================
http://www.dts-l.org/goodpost.htm
"Need more help?
http://support.microsoft.com/?scid=ph;en-us;6527
"Reuben Crane" <> wrote in message
news:508AD98A-8D2A-4731-B6BF-...
> My Win 2000 Server blocks all the Windows XP machine updates. Automatic
> updates will not work. Is there someting in ISA or a firewall port that I
> need to configure. I didn't setup or configure this server but I am
> resposible for now. Any help will be appreciated.