An exception occurred in FDO component. Oracle ODBC Database

[ambarboza]

environment:

Windows 2008 Server R2 64 bits;

Autodesk Infrastructure Map Server 2012;

Autodesk Infrastructure Studio 2012;

Oracle Client 11.2.0.1.0 64 bits

II'm trying to create a new Data Connection type OSGeo FDO Provider for ODBC with the following parameters:
Connection: Connect a database
Type of Database: Oracle (Oracle Driver)
Specifying User Credentials: Alexandre
Password: XXXX
connection string: Driver = {Oracle ODBC Driver}; Dbq = sigemplasa; MG_USERNAME Uid =%%,% = Pwd MG_PASSWORD%;

I am getting the following error message: An exception occurred in FDO component.
RDBMS: [Microsoft] [ODBC Driver Manager] Data source name not found and the default driver specified