asp.net 2.0 webservice runs with development server but not with iis

[Marco Wittwer]

Hello

I made a webservice for managing powermanagement functions. I use the
powrprof.dll with DllImport. It works fine with the ASP.NET Development
Server. Then I publish the Webservice to a local path and configure this in
IIS. Then the webservice does not work! :-( There is no Exception. Within
the webservice I call

the function GetActivePwrScheme and it returns always 0. When I run the same
Webservice from VS 2005 with the ASP.NET Development Server the return value
is 6 and this is correct.

Is this a security problem? Can anyone help me please?

Thank you

Marco Wittwer