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Doc ID:
Note:74790.1
Subject:
Cleanly Deinstalling RDBMS Software from 95/98/NT Type:
BULLETIN
Status:
PUBLISHED
Content Type: TEXT/PLAIN Creation Date: 08-OCT-1999 Last Revision Date:
23-APR-2001
Purpose
This bulletin explains how to remove Oracle software from a Windows
95, 98,
or NT system.
Scope & Application
This bulletin assumes the reader has a thorough understanding of the operating system and the Windows registry.
Related Documents
[NOTE:61621.1] Recreating Oracle7 / Oracle8 services and instances from
the command line
Introduction
Removing or deinstalling Oracle software from an 95/98/NT operating
system
requires several steps to completely creating a 'clean' machine. This
document explains what must be done to remove all Oracle software from
the
system.
Warning
that are stored under the oracle home directory, etc.
2) The following procedures require the editing of Windows registry, which is a
potentially dangerous operation. There is no undo option in the Registry
Editor.
Content ------- A. 32-bit on Windows NT B. 32-bit on Win95/Win98 C. 16-bit A. 32-bit on Windows NT ----------------------- 1. Ensure that you are logged in as a user with Administratorprivileges.
2. Stop all Oracle-related services and all Oracle programs.
3. Remove the database services via the oradim command. This can be
done via ORADIMXX -DELETE -SID <SID> or via the 'SC' tool of the
resource kit. For a full explanation on using the ORADIM command, see[NOTE:61621.1]. As from 8.1.6, the method for deinstalling is to first run Net8CA
in Deinstall mode, then run DBCA to delete a database, then run
OUI
to deinstall the products. At this point, all services should
be
removed.
4. Start the ODBC administrator applet, if installed, and remove any
Oracle DSN definitions.
5. Remove the Oracle software via the Oracle installer or the
Universal Installer (8.1.5 and onwards). Make sure that all services related to Oracle are stopped first. Note that you cannot remove the installer itself. If Legato Storage Manager is installed on the system, then remove it via the uninstaller executable that is shipped with Legato. Start->Programs->Networker->Uninstall Networker Caution: If Legato Storage Manager was installed independently of Oracle, DO NOT REMOVE LSM, because your system's backup environment may be adversely affected. 6. Start the Event Viewer, Log->Application, and clean up the application logs for Oracle. 7. Start the registry editor. This can be done via regedit or regedt32. a) If the Oracle Universal Installer (OUI) was used, go to HKEY_LOCAL_MACHINE\Software\Oracle and write down the value of the INST_LOC variable. This shows you where the OUI software is installed. This can then be used to remove the OUI from the machine afterwards. b) Go to HKEY_LOCAL_MACHINE\Software and remove the ORACLE key, look into the ODBC key for any 'leftovers' of Oracle. If they exist, then remove them as well. c) Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services and verify that all services that start with 'Oracle' are removed. If this is not the case, then remove the services starting with 'Oracle' (database related) and the ones that start with 'OraWeb' (Oracle Application Server related). No entries will not be removed from the services dialog box until you reboot. d) Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\EventLog\ Application and look for keys that start with 'Oracle'. Normally, they should have been removed in Step 5. e) Go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion \Uninstall and remove all entries related to Oracle Typical entries to found there are: Oracle JInitiator 1.1.x.x f) Close the registry editor.
8. Remove any Oracle related .INI files that may exist in the Windows
NT Boot directory. The Windows NT boot directory may be found by entering "SET WINDIR" from a command prompt. Typical Oracle .INI files include ORADIM73.INI, ORADIM80.INI, ORACLE.INI, ORAODBC.INI 9. Go to Start->Settings->control Panel->System->Environment. * Select in the 'System Variables' window the PATH variable and remove the %ORACLE_HOME%\BIN directory. If JRE was installed by Oracle, then remove the JRE path as well. (For example: ...;C:\Orant\Bin;C:\Program Files\Oracle\jre\1.1.7\bin;...) * Check the ‘User Variables for user xxx’ section also for Oracle entries to remove. * Check as well the ‘System Variables’ as ‘User Variables for user xxx’ windows for Oracle variable to remove: typical entries could be: ORACLE_SID, TNS_ADMIN, … 10. Remove any icons and references from the start menu. They are listed into the C:\Winnt\Profiles\All Users\Start Menu\Programs directory. Normally, they should be removed by the Oracle Installer in Step4.
Caution: If Legato Storage Manager was installed independently of
Oracle, then DO NOT REMOVE LSM, because your system's backup environment may be adversely affected. 4. Start the registry editor. This can be done via regedit or regedt32. a) If the Oracle Universal Installer (OUI) was used, go to HKEY_LOCAL_MACHINE\Software\Oracle and write down the value of the INST_LOC variable. This is showing you where the OUI software is installed. This can then be used to remove the OUI from the machine afterwards. b) Go to HKEY_LOCAL_MACHINE\Software and remove the ORACLE key, look into the ODBC key for any 'leftovers' of Oracle, if they exist remove them as well. c) Go to HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\ CurrentVersion\Uninstall and remove all entries related to Oracle.
5. Close the registry editor.
6. Edit your AUTOEXEC.BAT file and remove the %ORACLE_HOME%\bin and
JRE paths from the PATH. (For example: ...;C:\Orant\Bin;C:\Program Files\Oracle\jre\1.1.7\bin;...) Check if any Oracle variables are set in the AUTOEXEC.BAT. If there are, then remove them. 7. Remove any icons and references from the Start menu. They are listed in the C:\Windows\Start Menu\Programs directory via Windows Explorer. These are not always removed by the Oracle installer in Step 2. 8. Remove the %ORACLE_HOME% directory from the machine, either by using the Windows Explorer or from the command prompt. 9. If the Oracle products were installed via the Oracle Universal Installer, remove this also from the system. By default, it is installed under the Oracle directory in C:\Program Files, although you could have specified an alternative directory when you installed the Oracle Universal Installer (OUI). In that case, look at the INST_LOC parameter you have noted down in Step 3a.
Typical Oracle .INI files include ORADIM73.INI, ORADIM80.INI, ORACLE.INI, ORAODBC.INI
The default Oracle Home for Windows 3.X is orawin.
Search Words
WINNT, WIN95, WIN98, REMOVE, DEINSTALL, CLEAN, DELETE, CLIENT,
MACHINE, WIN
.
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Kit wrote:
> > I am a new user of Oracle. I have install the Oracle Database 8.1.7 in > Windows NT, and uninstall it, but when I reinstall it, the home I create > before is still there, How can I delete that? > Thanks for answering such questionReceived on Wed Jun 13 2001 - 18:33:59 CDT
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