> You ask if you can use Squid to cache windows update, and the answer is > that you would have been able if Microsoft had wanted this to be > possible. Unfortunately Microsoft does not seem too keen on making Windows > update cache friendly, and each new release of Windows Update is > increasingly more unfriendly to caches, making life increasingly difficult > for people with low bandwidth connections. MS has a tool called SUS, which downloads patches. You have to configure your clients to use that server as source for patches, instead of windowsupdate. This should prevent multiple downloads of the same patch. Joost