>I'm not sure I understand. CREATEOBJECT is slow, but only if it succeeds. If >you attempt to instanciate a server type that doesn't exist, CREATEOBJECT is >fairly fast in returning an error.

That's my point....it's slow. It is not the most efficient way to determine if an class is registered on the workstation...

>No, I have a registry class that I have been using for a long time now, and >haven't had a reason to look elsewhere. What is special about wsh?

The Windows Scripting Host is a set of interfaces that allow you to map network resources and to manipulate the registry.