ASP.Net in ASp-Classic integrieren

Hallo,

möchte in eine schon laufende asp-classic applikation mein neu erstelltes asp.net 2.0 tool einsetzen. wenn ich dann über respone.redirect die erste aspx seite aufrufen möchte kommt:

Server Error in ‚/‘ Application.

Configuration Error
Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.

Parser Error Message: It is an error to use a section registered as allowDefinition=‚MachineToApplication‘ beyond application level. This error can be caused by a virtual directory not being configured as an application in IIS.

Source Error:

Line 40:
Line 41:
Line 42:
Line 43:

was mache ich falsch oder was habe ich vergessen ???