I've a search page developed by using MS Frontpage
When a the search form is submitted on the server the following error page is displayed as response.
The returned page is http://mysite/MyWebs/_derived/nortbots.htm
FrontPage Run-Time Component Page
You have submitted a form or followed a link to a page that requires a web server and the FrontPage Server Extensions to function properly.
This form or other FrontPage component will work correctly if you publish this web to a web server that has the FrontPage Server Extensions installed.
Click the <Back> arrow to return to the previous page.
I know that the Frontpage extentions are installed on the web servers since on the same site some other Frontpage applications are running successfully.
Thanks for advices