The procedure is the same as for a back-up on an internal, fixed drive, HOWEVER, every back-up will erase the previous one, leaving you with only one back-up at a time. You can script a job to copy the back-up once finished to a different location to prevent it being erased by the new back-up task. More reading for you here: http://technet.microsoft.com/en-us/library/ee849849(v=ws.10).aspx nitroshift