The setposs'ing stuff doesn't work on objects which are
already on the map since on of the 1.8x or 1.9x patch series.
IMHO this was a very important fix from BIS, as it could have been used in multiplayer games to remove a whole lott'a
objects just to have an empty map when it came to the
real battle.
The objects were not moved back onto the right places
unless you would have restarted the game.
~S~ CD