...
>I activated the policy back in March but things don't appear to have rolled
>off since I still have inactive files that were deleted some time ago. They
>seem to still be using the old value.

Simply changing a policy doesn't cause object disappearance - you have to
run backups for versions-based expiration to occur, and Expire Inventory
for date-based expiration to occur.

  Richard Sims, BU