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data provider internal error 3000 system.string error on conn open

119301Jul 2 2011 — edited Jul 7 2011
I am receiving a data provider internal error 3000 system.string on opening a connection.

The client machine has a fresh/clean install of of the Oracle 11R2 client
The ODAC is 11.2.0.2.1
I am using a TNS names entry to refer to the database
SQLNET.AUTHENTICATION_SERIVCES = (NONE)

The application will work on the developing machine both in VS2010 and as an installed application.

As far as I can see I have tried all the suggested methids of preventing this error.

Has anybody found a different way of getting past this?
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Locked on Aug 4 2011
Added on Jul 2 2011
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