Hello Alexandre,
i've the same problem. I'm using a D7+Interbase V6.0.2 app working,
till now, on Win98, NT4, Win 200Pro with no problem.
Few days ago i've installed on a XP Pro server and the connection
slow down astonishing ( it takes ~30-40 secs to connect ).
Well i've disabled windows restoring system, but nothing. I've done
the same on my laptop ( running XP home ) and it speeds up as in the
past.

Any help appreciated.

Paolo Fenelli