HTTP Error 404.2 – Not Found
The page you are requesting cannot be served because of the ISAPI and CGI Restriction list setting on the Web Server.
Error Code 0x800704ec
In order to fix this problem you need to do the following:
- Open up the IIS Management Console. Make sure to be at the server level. To do so click on the server in the left most pane.
- Double click on ISAPI and CGI Restrictions icon.
- Locate the assemblies that are not currently allowed, right click on them and in the context menu click “allow”.
- If all is well your window should now look something like so:
I found the answer to this here for the record.