While loading a new Dell Precision M6400 with Windows Server 2008 and Hyper-V, you wll probably run into an issue getting Bluetooth to install on your system. However, there is a great blog post that explains how to workaround the problem and even provides the modified files that you need. Take a look at http://www.windows-now.com/blogs/robert/enabling-bluetooth-on-windows-server-2008.aspx.