Microsoft listed other features which I am unsure what they actually do or what makes them special in a Vista-Server 2008 environment. More information about the QoS feature of Vista can be found in this white paper. Even though you don't need Windows Server 2008 to work with QoS on Vista, there might be cases where you want to prioritize network usage on the server and the client. In networks with limited capacity, traffic throttling can turn out to be quite useful if you have to deal with bandwidth sensitive application such as real time conferencing. You can assign priorities for applications, IP addresses, and TCP ports.

Vista and Server 2008 allow you to prioritize network traffic using Group Policy. Thus, this feature will improve reliability of applications running on the server and the client if they support Transactional NTFS and Transaction Registry. The point is that the operations included in a certain transaction might run on a Server 2008 machine and on a Vista computer. So if the computer crashes before the transaction is completed, you'll get a system in a consistent state after the reboot. Basically, that means that a whole set of file system or Registry related operations is executed or none at all. This feature enables applications to group together sets of file and registry operations with a so-called transaction. Vista and Windows Server 2007 both support Transactional NTFS and Transactional Registry. And the main reason certainly is that Microsoft wants to push Vista sales with Windows Server 2008.Īnyway, here are the additional Vista+Server 2008 features I found: Transactional NTFS and Transactional Registry ^ I think, this demonstrates how difficult it is to get correct information about this topic. Aaron was right, though, about the lack of Aero support in RDC 6 for XP. I didn't try this feature, but at least Remote Desktop Connection 6 for XP seems to have it. He was probably also wrong about the support of network level authentication in RDP 6.1. However, he was wrong about the support for Cisco's NAC. The NAP agent for XP is not able to verify if Windows Defender is up-to-date. In a comment of my original post, Aaron pointed out that NAP has indeed a feature you can't have on Windows XP. I should also mention that my first post about this topic was not 100% correct either.

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