IIS can't serve files with accents and spaces in file names

Question

My server recently stopped serve files with accents and spaces in filename.

and example

 [http://jf-monteabraao.pt/UserFiles/File/OP%C3%87%C3%95ES%20DO%20PLANO%20-%20OR%C3%87AMENTO%202010.pdf][1]

I not installed anything except urlscan but i seeing urlscan.ini and don't find any reference to this rule.

anyone have idea whats happen?

Answer 1

Forget. solved. The problem is urlcan.ini file. Property AllowHighBitCharacters=0 must be 1 value.