DR + GI with a stored irridiance map

yes its pretty late for that - i was testing the DR rendering
wonderful a lot better than this really stupid region net render of viz …

but is anybody out there that can tell me how to make it happen that the farm is using one stored irridiance map … at least it does not work with my system … the irridiance map is located in the network map path - read only or not …

the bucket rendering is basicly working but there is visible GI differences of the brackets rendered from one system in comparison to the brackets rendered from the other system(s)

if i dont use the GI no problem … but with … i dont understand …

anybody that could help me?
thanks in advance
/wo