WHMCS + QuickBooks

Frequently Asked Questions

QuickBooks UK Editions and "Unable to cast COM object of type 'Interop.QBXMLRP2.RequestProcessor2Class' to interface type 'Interop.QBXMLRP2.IRequestProcessor4'"

Question: I'm getting this error when trying to connect the Web Connector to QuickBooks UK: ”<Error connecting to QuickBooks. Error message received from QuickBooks was Unable to cast COM object of type Interop.QBXMLRP2.RequestProcessor2Class' to interface type 'Interop.QBXMLRP2.IRequestProcessor4'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{8DB91B17-D5A2-41DB-80A7-CC6F1E449A05}' failed due to the following error: No such interface supported (Exception from HRESULT: 0x80004002 (E_NOINTERFACE)) at QBWebConnector.WebService.AddToQuickBooks”

Answer:: Install the QuickBooks SDK to fix this problem.

whmcs.txt · Last modified: 2013/01/21 12:44 (external edit)