I\'m using IIS 7.5 on Windows 7 RC. I use the IIS Url Rewrite module to rewrite URLs.
Everything seems to work fine, until I perform a postback by clicking a button. It
I was able to solve the issue by adding
Form.Action = Request.RawUrl;
to the Page_Load event. I was able to leave appendQueryString="TRUE" and so far it is working properly.