Anyone can tell me exactly what the installation of VFP 8 does specifically with a SOAP Client? Does it install something, change something, etc.?

I am having something strange since I installed it on the server. However, I didn't recompile so far the Web Service in VFP 8. So, the Web Service still runs in VFP 7 and I get the strange behavior even when being called from a VFP 7 client or a VFP 8 client.

What used to run before in our method:

loUniversalThread.IsLogged(1)

no longer works as it reports a SOAP error "Right parenthese missing on the function name" or something similar as I translate it from French. All my other methods work ok except a method that is focused to return a logical.