Connect to my EX4 by IIS user

Hi,

I can´t connect to my EX4 by IIS user. I’m using win 10. I can see the files whitout problem in firefox windows, example:

\192.168.0.103\Public\Shared_Pictures\photos\2451\pic123.jpg

but by IIS I recive error ‘800a0035’

I think that it’s a permission issue, but I can´t find where is it

can you help me please?