>I have a deployment issue with a COM server built in VFP9 that is called from a .Net web service.
>
>The web service is done in VB.Net under Visual Studio 2008.
>
>My IT test environment has Server 2003 32-bit OS, and there is no problem deploying to it, registering the COM dlls, etc. The service instantiates the COM object with no problem there.
>
>The UAT environment is Server 2003 R2 x64. When we deploy the web service there, and the COM dll, we get this error when the web service tries to instantiate the COM object:
>

I'm guessing that IIS is running under 64-bit mode. I (think) that may cause the problem you're seeing. Take a look at this link to see how to switch it:

http://support.microsoft.com/kb/894435