Windows: Oracle Version 10g Only: ORA-12154 or ORA-6413 Running 32-bit Oracle Software on 64-bit OS
(Doc ID 334528.1)
Last updated on JUNE 16, 2022
Applies to:Oracle ODBC Driver - Version 220.127.116.11 to 10.2.0.3 [Release 8.1.7 to 10.2]
Oracle Data Provider for .NET - Version 10.2.0.1 to 10.2.0.3 [Release 10.2]
Oracle Net Services - Version 18.104.22.168 to 10.2.0.3 [Release 8.1.7 to 10.2]
Oracle Objects for OLE - Version 22.214.171.124 to 10.2.0.3 [Release 8.1.7 to 10.2]
Oracle Provider for OLE DB - Version 126.96.36.199 to 10.2.0.3 [Release 8.1.7 to 10.2]
Information in this document applies to any platform.
You are attempting to connect to the Oracle database from a Windows platform using one of the following programmatic interfaces
after installing 32-bit Oracle client software on a 64-bit Windows operating system (OS) you receive one of the following errors:
ORA-12154: TNS:could not resolve the connect identifier specified
ORA-6413: Connection not open.
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