I am installing SBS 2003 as guest OS in Windows 2008 R2. The network doesn't work and I believe I need to install Integrated service first. However, I can't install Integrated Services. If I try, I would receive "You must upgrade to the Service Pack 2 or later before installing the Hyper-V Integrated Services" message. I don't think windows 2008 R2 has SP2. If it means SBS 2003 SP2, I haven't finish the installation and I don't have network connection. What to do?