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Sap Gui 6.4 is not working with RFC calls from VB6

I have a VB6 application that calls a remote function call in Sap and

was working properly until we installed a new gui patches / upgrades.

Now it will not logon to Sap. It blows up on this

If Not sapConnection.Logon(0, True) Then

bLogOn = False

End If

We tried replacing 3 files from the ealier version of the gui

(wdobapi.ocx, wdtfuncs.ocx & wdtlog.OCX). Then it logs on, but blows up

when it tries to call the function module in Sap:

theFunc.Call

I also tried replacing the librfc32.dll file in the c:\windows\system32

directory with the earlier version, but then I get an out of memory

error on:

Set functionCtrl = CreateObject("SAP.Functions")

Any ideas on how this can be fixed?

Thanks,

Bob

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