WIN Mobile aplication On WIN CE 6.0

HI all
I have aplication that is correctly running on all Win Mobile PDAs
the same aplication On Mini  giving me error "Failed to open selected
port".  Serial Test utility distributed with Win CE 6.0 image is opening
port corectly. did any one have same isue. any ideas?

Tnx a lot

What port number are you talking about?
Maybe in your ce60 image the KITL is switched on.

KITL uses com1.

(Sorry no edit button on this forum)

If KITL switched on  SerialPort.exe  wouldnt be able to open COM1
but it does and opens all 3 ports
and My Win Mobile app doesnt