how to create restore point in windows server 2008 service pack1

hi i am bhaskar ... how to create restore point in windows server 2008 service pack1 and how to restore system from a restore point in windows server 2008 service pack1.. is this option available or not ? what is the difference between shadow copies and restore point ? instead of restore point we have this shadow copies option in windows server 2008 ?

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Bhaskar