How to configure IIS 

Add the dll as a filter to the IIS. This can be done by using the IIS
management console. Name of the filter can be any meaningful one.  After
adding the filter, IIS server must be restarted to load the filter. If the
filter loading is successful the it is indicated with green color.

Add a virtual directory named test_folder to the IIS. The physical path of the
drectory should be the directory where CSPace dll is in. Give execute
permissions to this directory.
  
