If I may ask
I assume you are using the SBS Backup?
if so Why do you want the Task to take a lower priority?
Are you backing up during the day?
Russell Grover - SBITS.Biz [SBS-MVP]
MCP, MCPS, MCNPS, SBSC
Remote Small Business Server/Computer Support - www.SBITS.Biz
BPOS - Microsoft Online Services - www.Microsoft-Online-Services.com