Use this method if the server will not boot or you are migrating to new hardware. You will need the original Windows Server 2008 R2 installation media (DVD or ISO).
: Insert your installation disc and restart the server, choosing to boot from the CD/DVD.
Use this if the OS is functional but you need to revert registry settings, Active Directory, or system files.
: Select System Image Recovery from the list of system recovery options.
Restoring Windows Server 2008 R2 generally refers to either a (fixing configurations) or a Bare Metal recovery (restoring the entire OS after a crash). Full Bare Metal Recovery
: The wizard will scan for the latest system image. If your backup is on an external drive or network share, connect it and browse to that location.
: After selecting your language and keyboard, click Repair your computer in the bottom left corner.