Connection to MySql in SSIS

I have a process that copies data from a MySql database to Sql Server. This process has worked fine on another server but is failing on a new server. I created an ODBC connection to the MySql database which works fine. In the job, it has a Connection Manager object to the MySql database which Tests successfully. The job has a Datareader source with a very simple SQL command in it. When I run the job, I get the following error:

Information: 0x4004300A at Data Flow Task, DTS.Pipeline: Validation phase is beginning.

Error: 0xC0047062 at Data Flow Task, DataReader Source [1]: System.Data.Odbc.OdbcException: ERROR [IM002] [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified

at Microsoft.SqlServer.Dts.Runtime.Wrapper.IDTSConnectionManager90.AcquireConnection(Object pTransaction)

at Microsoft.SqlServer.Dts.Pipeline.DataReaderSourceAdapter.AcquireConnections(Object transaction)

at Microsoft.SqlServer.Dts.Pipeline.ManagedComponentHost.HostAcquireConnections(IDTSManagedComponentWrapper90 wrapper, Object transaction)

Error: 0xC0047017 at Data Flow Task, DTS.Pipeline: component "DataReader Source" (1) failed validation and returned error code 0x80131937.

Error: 0xC004700C at Data Flow Task, DTS.Pipeline: One or more component failed validation.

Error: 0xC0024107 at Data Flow Task: There were errors during task validation.

It says that the Data Source Name Not Found. If this was so, how is the connection manager test succeeding?

I am running the MySql driver version 3.51.12.

Any ideas what might be causing this to fail will be greatly appreciated!

Are you using expressions or configurations on the connect string?