There is some sort of problem with Vista’s networking stack that is causing all kinds of software to fail to work. For example, there are issues with SSH tunneling and even Outlook 2007. The SSH problem I experienced myself when testing out tunneling RDP. The Remote Desktop session would start to connect but then freeze after displaying part of the screen and the SSH terminal would become unresponsive for several minutes.
If you are having any sort of problems that you think might be related to Vista’s networking stack, you can try the following workaround:
Go to Programs -> Accessories and right click on command prompt and select run as administrator
Then type in the following:
It might be a good idea to do this pro-actively, even if you’re not having any problems.