ORA-20100: AppDomain Could Not Be Created For The Specified Security Level When Running on 64-bit Windows (Doc ID 1517732.1)

Last updated on JULY 05, 2017

Applies to:

Oracle Data Provider for .NET - Version 10.2.0.4 and later
Oracle Database Extensions for .NET - Version 10.2.0.4 and later
Microsoft Windows x64 (64-bit)

Symptoms

When trying to execute a .Net Stored Procedure on a 64-bit Oracle Database. They are getting the following error:

Changes

 Upgraded the Oracle Database from a 32-bit machine to a 64-bit machine.

Cause

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