How to Set or Switch Oracle Homes on Windows

(Doc ID 969581.1)

Last updated on MAY 05, 2017

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 9.2 to 12.1]
Microsoft Windows x64 (64-bit)


To provide guidance regarding setting (or better stated:  not setting) Oracle Home on Windows.  Unlike on other platforms, one should never keep ORACLE_HOME set as a fixed environment variable on Windows environments.  This is largely due to the fact that Oracle determines where executable files reside at run-time. 


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