> The danger here should be obvious. If two different classes 
> are performing
> backups of a Windows systems, and each class is playing with 
> the archive
> bits on the file system, the integrity and consistency of both sets of
> backup images are suspect for anything except full backups 
> (unless nothing
> except full and cumulative incremental backups are done, you 
> cannot use
> differential incremental).

Upon further thought I realized even this statement was wrong. Class1 does a
full backup, then starts into it's cumulatives. At some later point, class2
does a full and resets all the archive bits. Suddenly the cumulatives of
class1 are no longer complete...

Jason