we installed Window2008 in our new server in jUNE 09. tHEN IN sEPT 09 WE FOUND THAT 3 MONTHS OF DATA WERE LOST OVER NIGHT. ouR COMPUTER MAINTAINANCE ATTRIBUTED IT TO ROLLED BACK AND THE DEFAULT DATE ON THE OCMPUTER WAS RESETTED BACK TO JUNE. bACKED UP DATA WERE ALSO GONE. cAN THIS POSSIBLY HAPPEN?