How to configue My WD My Book as a Backup drive

I have got a 500GB WD My Book, which I want to use to as a windows backup drive. I have set the drive up and when I go into Backup using the Windows Backup Utility I am unable to select the Drive.

Any Ideas?

Cheers,

Concrete

You’re in the wrong forum.

The forum for WD My Book USB drives is here:

http://community.wdc.com/t5/External-Drives-for-PC/bd-p/BoardExample