In order to access a host test database from Debugger you must install the OLE DB Data Provider for ClearPath MCP on your Developer machine. You can find the latest Interim Correction release and installation instructions on the Unisys Support web site at https://www.support.unisys.com/common/epa/macro.aspx?path0=a-s&path1=ic&path2=web-icdownld&PLA=MCP&NAV=MCP&web-product=OLEDB&product-level=057.1A&ic=OLEDB-057.1A.1.