11.2: How to Manually Remove Oracle Server Software on Microsoft Windows Platforms (Doc ID 1069034.1)

Last updated on FEBRUARY 22, 2017

Applies to:

Oracle Universal Installer - Version 11.2.0.1 and later
Generic Windows
Microsoft Windows (32-bit)
Microsoft Windows x64 (64-bit)

Goal

Beginning with 11.2, the Oracle Universal Installer will no longer be used to remove Oracle software from an environment.  A new Deinstall tool is shipped with the Oracle Products and is also available for download on OTN (Oracle Tech Net at http://otn.oracle.com). 

It is recommended to use the OTN download of the Deinstall tool as this will contain the latest version available.

NOTE:  The recommended method to remove 11.2 Oracle Server or client software is to use the Deinstall tool. 


There are times when you must do a manual check to see all software and environment settings are properly deleted, such as partial failed installs which require a clean Windows environment prior to any reinstall attempts.

This document will overview the steps necessary to ensure all items are removed from the Windows environment.

Please refer to the Oracle Database Installation Guide 11g Release 2 (11.2) for Microsoft Windows for details on using the Deinstall tool.  You can find the 11.2 online documentation at http://www.oracle.com/pls/db112/homepage.

If you need to remove software from earlier versions, please refer to <Note 208256.1>  WIN: How to Remove a Single ORACLE_HOME and Its Traces on Microsoft Windows Platforms.


WARNING:

1. These procedures will also remove Oracle network configuration files, in a specific ORACLE_HOME.

2. If there are user-written scripts and any other user-generated files in the ORACLE_HOME, they will also be deleted.

3. Exercise extreme caution when removing registry entries!  Removing incorrect entries can severely corrupt your computer/server and may require re-installation of the Windows Operating System.



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