I think I can't use the -Dfile.encoding=UTF-8 option because the 3rd party modules I am using don't work anymore if this option is on. Am I right if I say that normally the conversation should be done automatically upon receive of the elements? it is working in the forward direction .NET (latin1) (auto convert to utf-8) |--->transport channel ( in utf-8)--->| (auto convert to latin1) jboss (Latin1) but not in the backward direction (how I expected it would be) .NET (latin1) (auto convert to latin1) |<---transport channel (in utf-8)<---| (auto convert to utf-8) jboss (Latin1) what really happens is this: (you can see it from my first ans second post) .NET (latin1) (auto convert to latin1) |<---transport channel (in utf-8)<---| (second time convert to utf-8)(auto convert to utf-8) jboss (Latin1) result is = one utf-8 conversation needed on the .net Side Is there any other way to solve this problem then this option with -D-Dfile.encoding=UTF-8 ? thank you for help Best Regard Vadim View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4117558#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...