ColdFusion:

ColdFusion has an additional setup fee of $49.00 and Additional $ 39.00/mo. The following ColdFusion Tags are NOT enabled on our NT  Servers. Use of these tags requires a dedicated NT Server
 - CFCONTENT
 - CFDIRECTORY
 - CFOBJECT
 - CFREGISTRY
 - CFADMINSECURITY
 - CFEXECUTE
The registration of user supplied DLL's is not available on an NT Servers. A dedicated server is required for any users needing this feature.