Question : Mirron Windows XP drives

Can someone tell me how I can Mirror two hard drives on Windows XP Professional?

Answer : Mirron Windows XP drives

The PowerPivot for Microsoft Excel 2010 download fixed the problem:

http://www.microsoft.com/downloads/details.aspx?FamilyID=e081c894-e4ab-42df-8c87-4b99c1f3c49b&displaylang=en