>Hi All.
>
>I've had a VFP6 app exchanging data with QuickBooks using QBFC for about 11 years and recently updated it to VFP9.
>Now, the app cannot connect to QuickBooks even though there has been no change in the code.
>QBSessionManager.OpenConnection() now returns .NULL. with no error message at all and no response from QuickBooks.
>
>Using the same QB company file on the same machine with the same version of QBFC, the VFP6 version connects and the VFP9 version does not.
>Does anyone have any idea what I can look for on this?
>
>Thanks,
>Carl

QBSessionManager.OpenConnection() returns .NULL. This does not indicate failure.