Hi folks, > > It appears that the Windows Update V5 client (not sure about V4) tries to > > open a port 80 connection directly to Microsoft servers to check for and > > download updates, this obviously fails as the router acls drop the packets. > > We had similar problems with WinXP clients trying to get updates both
> automatically and manually from Windows Update (v5, but be had intermittent > problems with automatic updates on win2k - v4.windowsupdate...). Turns out > M$ can't figure out how to implement authenticated proxy requests from the > client to a proxy for Windows Update. I found a M$ knowledge-base article > about it and the suggestion was to allow all requests to > "*windowsupdate.microsoft.com" to be done without proxy authentication. There's a solution. Use the tool 'proxycfg' shipped with Windows: proxycfg -u # set windowsupdate proxy to IE-proxy proxycfg -d # reset windowsupdate proxy That's it. JdW.
