Entironment

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Windows 7 Ultimate x64

Oracle 11g Release 2 (11.2) for Microsoft Windows x64 (64-Bit)

Toad for Oracle Version 11.6

Oracle EBS R12.1.x installed to Red Hat Linux AS 4U7 on VMware Workstation

SYMPTOMS

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Toad depend on KEY_OraDb11g_home1 connection the EBS R12.1.x show Error message:

ORA-12705: Cannot access NLS data files or invalid environment specified

SOLUTION

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1. Create a new regedit file “ORACLE_NLS_LANG.reg”

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\ORACLE\KEY_OraDb11g_home1]
"NLS_LANG"="SIMPLIFIED CHINESE_CHINA.ZHS16GBK"

2. Double Clicking the file “ORACLE_NLS_LANG.reg” to regedit.

ORA-12705: Cannot access NLS data files or invalid environment specified