ORA-20100: System.IO.FileNotFoundException Could Not Load File or Assembly 'Oracle.DataAccess, Version=2.111.7.0'

(Doc ID 780621.1)

Last updated on JULY 17, 2017

Applies to:

Oracle Developer Tools for Visual Studio .NET - Version 10.2.0.1.0 to 11.1.0.7.0
Oracle Database Extensions for .NET - Version 10.2.0.1.0 to 11.1.0.7
Generic Windows

*** Checked for relevance on 17-Jul-2017 ***

Symptoms

When using the 11g Oracle Developer Tools for .Net to deploy a .Net stored procedure to a 10g Database you receive the following error:

ORA-20100: System.IO.FileNotFoundException
Could not load file or assembly 'Oracle.DataAccess, Version=2.111.7.0,
Culture=neutral, PublicKeyToken=89b483f429c47342' or one of its dependencies.
The system cannot find the file specified.
at testodeodt.Class1.ret_user11()
ORA-06512: at "SYS.DBMS_CLR", line 243
ORA-06512: at "SYS.RET_USER11", line 6

Changes

First time for deployment.

Cause

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