Oracle 64bit Server (From JD Edwards) and oracle 32 bit client showing ORA:12560 "TNS: protocol adapter error "??

I installed 64bit Oracle successfully and was able to connect to DB using SQL Developer and sqlplus (Oracle E1local and TNSListener is up and running). I installed Oracle 32bit client and copied both tnsnames.ora and sqlnet.ora files to C:\app\Administrator\product\11.2.0\client\Network\admin. But if i am trying to access DB through Oracle 32bit client (thru cmd as sqlplus /sys as sysdba or thru sqlplus , it is throwing ORA:12560. "TNS: protocol adapter error ". (Both 62bit server and 32 client on same VM machine - Windows 2008 R2 ). I directly executed sqlplus from "C:\app\Adm\....client\bin", but it is still throwing same error and because of this JDEdward installation is not able to find if any database is running or not.!
My environment variables order: %PATH% = C:\app\Administrator\product\11.2.0\client\bin;c:\Oracle\E1Local\bin; I have seen all the previous threads and try setting ORACLE_HOME and PATH variable using CMD and tried accessing the database, but it fails all the time.
Please help me with the problem. Thanks in advance.

Thread moved from Peoplesoft forum to JD Edwards.
Nicolas.

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Oracle Database 11g Installation Issue: ORA-12560:TNS: protocol adapter error.

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I installed Oracle Database 11g with Windows XP successfully and all Database clients work with Database instance correctly.
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Copyright (c) 1991, 2010, Oracle. All rights reserved.
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Copyright (c) 1991, 2010, Oracle. All rights reserved.
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(c) Copyright 2001 Oracle Corporation. All rights reserved.
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Microsoft (R) Windows Script Host Version 5.8
Copyright (C) Microsoft Corporation. All rights reserved.
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Hello,
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user9274918 wrote:
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null

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982090 wrote:
Hello ,
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PC which is also 64 bit. I installed it because I am trying to setup Informatica. Later, I learnt that informatica is 32 bit and can not communicate to Oracle 11.2.0 64 bit database.If the connection is via TNS, the bit architecture shouldn't matter.
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