Client receives ORA-12514 when 64-bit listener is used for 32-bit database on 64-bit Windows
(Doc ID 732083.1)
Last updated on APRIL 16, 2018
Applies to:Oracle Net Services - Version: 9.2 to 126.96.36.199
This problem can occur on any platform.
In a mixed mode environment , For Ex : 11G 64 bit database and 9i 32-bit database installed on Microsoft Windows Server 2003 R2 64-bit . Both 64-bit and 32-bit databases have been created successfully. 11g listener is used to service both the 11G/64 and 9i/32 database.
Also, the 11G/32 client binaries have been installed to connect the 9i 32-bit database.
When connecting to 9i 32-bit database through the 11G 64-bit listener , the following error occurs :
SQL*Plus: Release 188.8.131.52.0 - Production on Mon Jul 28 17:57:51 2008
Copyright (c) 1982, 2007, Oracle. All rights reserved.
ORA-12514: TNS:listener does not currently know of service requested in connect descriptor
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