Vista’s new TCP/IP stack offers plenty of improvements, but unfortunately doesn’t always play well with older hardware that isn’t aware of the newer features it uses. Steve Riley on Security mentions that this can be a problem when trying to use wireless networking with a router that doesn’t understand the updated ‘Windows Tuning’ feature. He suggests this is more common with routers used for public internet connections, such as at a hotel. The fix is to disable autotuning, which happens to be the same fix from tip 25 which dealt with threaded network applications. Keep reading →

I‘ve seen mentioned in a few places that applications that use multiple network threads (BitTorrent clients, download managers, etc) don’t download files as quickly in Vista as they do in Windows XP. Most seem to attribute the difference to the new AutoTuning function in the TCP/IP stack. Keep reading →