This error won't go away. I have tried for days to apply a variety of fixes but still the same issue. I am running Windows Server 2008, IIS 7.0 and Plesk 9.0 and building a VB site Error 1 It is an error to use a section registered as allowDefinition='MachineToApplication' beyond application...

I am new to IIS. From IIS 7 in the left connections panel, when I click on my domain and select the virtual directory then click on application settings icon I get this error: Cannot add duplication entry of type 'add' with unique key attribute 'key' set to 'ConnectionString'...