Last updated on JULY 05, 2017
Applies to:
Oracle ODBC Driver - Version 8.1.7.0.0 to 10.2.0.1.0Oracle Provider for OLE DB - Version 8.1.7.0 to 10.2.0.1.0
Oracle Data Provider for .NET - Version 10.2.0.1.0 and later
Oracle Net Services - Version 8.1.7.0.0 to 10.2.0.1.0 [Release 8.1.7 to 10.2]
Oracle Objects for OLE - Version 8.1.7.0 to 10.2.0.1 [Release 8.1.7 to 10.2]
Microsoft Windows x64 (64-bit)
***Checked for relevance on 14-Jun-2016***
Symptoms
You are developing an application inside Microsoft Visual Studio and receive one of the following errors when trying to connect to the Oracle database
ORA-12154: TNS:could not resolve the connect identifier specified
or
ORA-6413: Connection not open.
Additionally...
- You can compile your application and then run the executable outside this location and it connects and executes successfully
- You have installed 32-bit Oracle client software on a 64-bit Windows operating system (OS)
Cause
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