All VB6 applications that have a reference to any version of the ActiveX Data Object library are migrated into a VB.NET application that has a reference to the ADODB primary interop assembly (PIA). For unknown reasons, the ADODB PIA doesn’t include the definition of the adDBFileTime enumerated value.
VB Migration Partner solves this issue by converting references to this value to references to ADODB_DataTypeEnum_adDBFileTime constant. (This constant is defined in the control support library.)