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  1. #1
    Join Date
    Apr 2004
    Location
    Germany
    Posts
    25

    Unanswered: Problem uninstalling Oracle 8.1.6 on W2K Prof.

    Hi folks,

    can anybody tell me how to uninstall Oracle 8.1.6. from a W2K Professional Machine ?

    The Universal Installer does not work. It only shows "No products installed" (or something like that in german )

    The Problem is that the only thing I know is that it's an 8.1.6 installation, but not whether it's an Enterprise Edition (I guesse it is Enterprise so far...) or not.

    I almost tried all the CD's I found. even the 9i does not find anything.

    Has anybody an idea ?

    Greetings

    Don

  2. #2
    Join Date
    Jun 2004
    Location
    Liverpool, NY USA
    Posts
    2,509
    Code:
    WARNING: 
    
    1. Remove all Oracle components from your computer only as a last resort, 
       and only if you want to remove ALL Oracle components from your system.
    
    2. These instructions remove all Oracle components, services, and registry 
       entries from your computer. In addition, any database files in the 
       subdirectories under ORACLE_BASE\ORADATA\ are also removed.
    
    3. These procedures will also remove Oracle network configuration files, 
       user written scripts and any other user generated files that may be stored
       in Oracle_Base directories.
    
    4. Exercise extreme care when removing registry entries.  Removing incorrect
       entries can severely compromise your computer.
    
    
    A. Removing Components on Windows NT/2000/XP.
    ---------------------------------------------
    To remove all Oracle components from a computer on Windows NT/2000/XP:
    
    1.   Check privileges:
         -----------------
    1.a. Ensure you are logged in as a user with Administrator privileges. 
    
    
    2.   Stop all Oracle services (if any are running):
         ----------------------------------------------
    2.a. NT: Choose Start > Settings > Control Panel > Services. 
         2000,XP: Right click My Computer > Manage > Services and Applications > 
               > Services
    	
    2.b. If any Oracle services (their names begin with Oracle) exist and have 
         the status Started, select the service and click Stop. 
    
    2.c. Click Close to exit the Services window. 
    
    2.d. Close the Control Panel/Computer Management window.
    
    
    3.   Remove the entries in the Windows registry:
         -------------------------------------------
    3.a. Start the registry editor: 
         Choose Start > Run > regedit 
    
         Note: On Windows NT you can use regedt32 instead. The searching 
               capabilities of regedt32 is limited compared to regedit. It will be 
               needed to be able to edit 32-bit entries in the registry. Since we 
               are not going to update any 32-bit entry it is not needed.
    
    
    3.b. Go to HKEY_LOCAL_MACHINE\SOFTWARE\ORACLE 
         Note the value of the key INST_LOC, this is the location of the 
         Oracle Universal Installer (OUI).  The default location is 
         C:\Program Files\Oracle\Inventory.  If this value is different, make 
         note of it, so we can delete these files later.
         Delete this ORACLE key. 
    
    3.c. Go to HKEY_LOCAL_MACHINE\SOFTWARE\ODBC and expand all subkeys and
         remove all keys under here which are related with the
         "Oracle ODBC Driver"
    
    3.d. Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services and remove 
         all keys under here that begin with ORACLE or ORAWEB. 
    
    3.e. Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\EventLog\...
         ...\Application  and remove all keys under here that begin with ORACLE.
    
    3.f. Go to HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\...
         ...\Uninstall  and remove any entries related to Oracle. 	
    
    3.g. Go to HKEY_CLASSES_ROOT, remove all keys that begin with Ora or ORCL
         (e.g. Oracle..., ORADC..., ORAMMC..., OraOLE..., OraPerf... and ORCL...).
    
    3.h. Go to HKEY_LOCAL_MACHINE\SOFTWARE\Classes, remove all keys that begin with Ora or ORCL
         (e.g. Oracle..., ORADC..., ORAMMC..., OraOLE..., OraPerf... and ORCL...).
    
    3.i. Go to HKEY_CURRENT_USER\Software\Oracle, delete this ORACLE key.
    
    3.j. Go to HKEY_USERS\\Software\Oracle, delete this ORACLE key.
    
    3.k. Close the registry. 
    
    
    4.   Clean up the environment settings:
         ----------------------------------
    4.a. NT: Choose Start > Settings > Control Panel > System > Environment tab
         2000,XP:  Choose Start > Settings > Control Panel > System > Advanced tab >
         Environment variables.
      
    4.b. At "System Variables" click on the variable PATH in order to modify 
         the value. For example, you may see a path similar to this one: 
         C:\ORACLE\ORA81\BIN;C:\PROGRAM FILES\ORACLE\JRE\1.1.7\BIN 
    
    4.c. If an %ORACLE_HOME% was installed, remove this %ORACLE_HOME%\BIN path.
    
    4.d. If JRE was installed by Oracle, remove the JRE path.
    
    4.e. If there is a CLASSPATH variable under "System Variables", first make note
         of the path defined, then delete it.  This variable can be added back at
         a later date if needed.
    
    4.f. Check if there are any other Oracle variables set in "System Variables", 
         ORACLE_HOME, ORACLE_SID, TNS_ADMIN, JSERV or WV_GATEWAY_CFG.  If these 
         exist, delete them also.
    
    4.g. Click on APPLY and OK.
    
    4.h. Close the Control Panel window.
    
    
    5.   Delete the software and icons:
         ------------------------------
    5.a. NT: Choose Start > Programs > Windows NT Explorer.
         2000,XP:  Choose Start > Programs > Accessories > Windows Explorer.
    
    5.b. NT: Go to %SystemDrive%\WINNT\PROFILES\ALL USERS\START MENU\PROGRAMS
         2000,XP: Go to %SystemDrive%\DOCUMENTS AND SETTINGS\ALL USERS\...
               ...\START MENU\PROGRAMS
           Note 1: These locations depend on whether OS was upgraded from NT, or 
                   this was a fresh install of 2000/XP.
           Note 2: To locate your System Drive, type in DOS-box: echo %SystemDrive%
    
         and delete the following icons: 
         - Oracle Installation Products 
         - PRODUCT_NAME - HOME_NAME  e.g.
              Oracle for Windows NT - Dev6i
              Oracle Reports 6i - Dev6i
              Oracle Olap Client 2.2 - Dev6i
              Oracle9i Lite
              Oracle - OraHome92
    
    
    5.c. Go to %SystemDrive%\Program Files\Oracle or the location of INST_LOC as
         noted earlier in step 3.b. and delete this directory. 
         Note: In order to successfully delete all files, you may have to reboot
               your computer first, in order to clear Operating System locks 
               on those files.
    
    5.d. Go to the temporary directory and delete all files and directories in here
         (see note in 5.c.).
         NT: %SystemDrive%\Temp
         2000,XP: 
           %SystemDrive%\Documents and Settings\<username>\Local Settings\Temp\ 
    
    5.e. Go to the drive where the Oracle software is installed on your machine
         and delete all ORACLE_BASE directories on your hard drive (see note in 
         5.c.).
    
    5.f. Close the Windows Explorer / Windows NT Explorer.
    
    
    6.   Finish the removal:
         -------------------
    6.a. Empty the recycle bin
         Right click on recycle bin > Empty Recycle Bin.
    
    6.b. Reboot your computer.
    
    6.c. Optionally: If you are on Windows 2000 or XP run the System Defragmenter 
         utility:
         - from Control Panel, select Administrative Tools > Computer Management
         - expand Storage, then select Disk Defragmenter
         - highlight each virtual drive, in turn, and click Defragment
         - reboot your computer when finished.
    
    
    B. Removing Components on Windows 95 or Windows 98.
    ---------------------------------------------------
    To remove all Oracle components from a computer on Windows 95/Windows 98:
    
    1.   Remove the entries in the Windows registry:
         -------------------------------------------
    1.a. Start the registry editor at the MS-DOS command prompt: 
         C:\> REGEDIT
    
    1.b. Go to HKEY_LOCAL_MACHINE\SOFTWARE\ORACLE 
         Note the value of the key INST_LOC, this is the location of the Oracle 
         Universal Installer.  The default location is 
         C:\Program Files\Oracle\Inventory
         If this value is different, make note of it, so we can delete these files
         later. Delete this ORACLE key. 
    
    1.c. Go to HKEY_LOCAL_MACHINE\SOFTWARE\ODBC and expand all subkeys and
         remove all keys under here which are related with the
         "Oracle ODBC Driver".
    
    1.d. Go to: 
         HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
         and remove any entries related to Oracle. 	
    
    1.e. Go to HKEY_CLASSES_ROOT, remove all keys that begin with Ora or ORCL
         (e.g. Oracle..., ORADC..., ORAMMC..., OraOLE..., OraPerf... and ORCL...).
    
    1.f. Go to HKEY_LOCAL_MACHINE\SOFTWARE\Classes, remove all keys that begin with Ora or ORCL
         (e.g. Oracle..., ORADC..., ORAMMC..., OraOLE..., OraPerf... and ORCL...).
    
    1.g. Go to HKEY_CURRENT_USER\Software\Oracle, delete this ORACLE key.
    
    1.h. Go to HKEY_USERS\\Software\Oracle, delete this ORACLE key.
    
    1.i. Close the registry. 
    
    
    2.   Clean up the environment settings:
         ----------------------------------
    2.a. Open your AUTOEXEC.BAT with an editor to modify the PATH variable.
         For example, you may see a path similar to this one: 
         C:\ORACLE\ORA81\BIN;G:\PROGRAM FILES\ORACLE\JRE\1.1.7\BIN .
    
    2.b. If an %ORACLE_HOME% was installed, remove this %ORACLE_HOME%\BIN path.
    
    2.c. If there is a CLASSPATH variable set in the AUTOEXEC.BAT, first make note
         of the path defined, then delete it.  This variable can be added back at
         a later date if needed.
    
    2.d. If JRE was installed by Oracle, remove the JRE path.
    
    2.e. Save the AUTOEXEC.BAT file and close the edit.
    
    
    3.   Delete the software and icons:
         ------------------------------
    3.a. Choose Start > Programs > Windows Explorer.
    
    3.b. Go to SYSTEM_DRIVE:\WINDOWS\START MENU\PROGRAMS
         and delete the following icons: 
         - Oracle - HOME_NAME 
           where HOME_NAME is the previous Oracle home name. 
         - Oracle Installation Products 
    
    3.c. Go to SYSTEM_DRIVE:\Program Files\Oracle or the location of INST_LOC as
         noted earlier in step 1.b and delete this directory.
     
    3.d  Go to SYSTEM_DRIVE:\Temp and delete all files and directories in here.
    
    3.e. Go to the drive where the Oracle software is installed on your machine
         and delete all ORACLE_BASE directories on your hard drive.
    
    3.f. Remove any Oracle-related .INI files that may exist in the Windows 
         directory. The Windows directory may be found by entering 
         "echo %WINDIR%" from a command prompt. 
         Typical Oracle .INI files include ORADIM73.INI, ORADIM80.INI, 
         ORACLE.INI, ORAODBC.INI
     
    3.g. Close the Windows Explorer.
    
    4.b. Reboot your computer.
    Bill
    You do not need a parachute to skydive. You only need a parachute to skydive twice.

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