NT Backup taking too much time

Hello,

From a few day’s my win 2003’s NT backup taking 22 hrs to complete. But before 2 to 3 days ago it is taking only 8 hrs. Data has not increased at all. I am useing sysmatic 10.2 corporate edition no detecting of virsu either. My CPU use is also normal. Guys can you help.

Regards,

Tushar Joshi
India
System Admin