> This is why i have this problems. When i have to debug old programs
> i use fb1.5, 2.0 2.1 and 2.5. Everytime I change FB I must remember
> to chenge the gds32.dll in system dir.
> To change the running FB server i've made me a tool tht stops the
> running fb and starts that one that i need.. I would automate this also with gds..

Maybe I don't get exactly what you are doing, but...
...if you stop the server anyway (means that some batch process is going
on, and that this batch process *knows* which is the "one that you
need") why don't you just copy the correct GDS over the one in the system
dir?