This blog is specific to Windows Server 2008 (download) but the process is basically the same for Windows Vista on how to use Windows Server Backup to do a complete system restore over the network. Lets assume, you’ve added the Windows Server Backup feature to your 2008 install and run a Complete PC Backup to a network location, \\server\share
The following steps show how to do this restore by using the Windows Recovery Environment UI in addition to a sample way to do this with command line. If the network adapter or hard drive requires a third-party driver, you should put those drivers on a USB flash drive.
1. Start the computer by using the Windows Server 2008 DVD
2. On the first screen Click Next.