i got unsolved problem maybe basic 1 dont find answer. problem accent characters in url, i got 500 error(error code: 500 internal server error. request rejected http filter. contact server administrator. (12217)). for instant when search "blé", in url got: /content/search?searchtext=blé , result 500 error, in blog keywords: /content/keyword/blé : (result 500 error). i have created directory out of website folder , have created alias website directory. www.mysite.com/directory if put file accented name result same! can use rewriterule change accented words non-accented or can make url accept these accents? i need , appreciate if can me. this looks issue on tmg/isa firewall. on publishing rule have enable high bit character (right click on publishing rule, configure http, general tab).