Vista backup on alternating USB drives

[Guest]

I have 2 USB drives that I use one at a time for backup. The other one is
stored off site. When I swap them I just unplug one and plug the other into
the same cables. They both have the same name. But the Vista Ultimate backup
program must be reconfigured each month for the changed drive or the backup
will fail to start.

How can I configure the backup program to not care which drive is plugged
in? Also, since the backup program seems to make incremental backups
sometimes, will this confuse the program or will having every other month on
a drive work okay?

 

[Rock]

I have 2 USB drives that I use one at a time for backup. The other one is
stored off site. When I swap them I just unplug one and plug the other
into
the same cables. They both have the same name. But the Vista Ultimate
backup
program must be reconfigured each month for the changed drive or the
backup
will fail to start.

How can I configure the backup program to not care which drive is plugged
in? Also, since the backup program seems to make incremental backups
sometimes, will this confuse the program or will having every other month
on
a drive work okay?

I would assign them different volume labels and names, and attach each one
to it's own USB port.