View executed programs in computers

HI,

I have a windows 2003 domain with SCCM 2007. RecentlyI created ascriptindomain policyto makecleaninganddefragmentingdisksof computerson the 2nd ofeach month.How can i see in SCCMthe computers that run the scrip?? The script run when user shutdown the computers.

Thanks,

Sérgio Marques