B Deinstallation and Reinstallation

This appendix guides you through the deinstallation and reinstallation process for Oracle Application Server 10g (9.0.4) Forms and Reports Services.

Note:

Forms and Reports Services is a flexible product that you can start and stop in different ways, depending on your requirements. Before you either deinstall or reinstall the product, see the Oracle Application Server 10g Administrator's Guide for more information on stopping all related services or processes.

Contents:

Section B.1, "Deinstallation of 10g (9.0.4) Instances"
Section B.2, "Deinstalling All Oracle Products Manually"
Section B.3, "Reinstallation"

B.1 Deinstallation of 10g (9.0.4) Instances

To deinstall Forms and Reports Services instances, you have to clean up the items listed in Table B–2.

The installation procedures, described later in this appendix, provide steps on how to delete these items. They also provide details on how to clean up the items that require manual steps.

Table B-1 Items to Deinstall

Item to Clean Up	Tool to Use
Files from the Oracle home directory	Installer If the installer does not remove all the files, you can remove the remaining files using the `del` command.
Entries for the deleted instance in the Inventory directory	Installer
Instance name from Farm page	Installer
Entries for the deleted instance in the Windows registry	Installer

The installer does not permit custom deinstallation of individual components.

B.2 Deinstalling All Oracle Products Manually

The following procedure removes all Oracle products from your computer.

Caution:

These instructions remove all Oracle components, services, and registry entries from your computer. Exercise extreme care when removing registry entries. Removing incorrect entries can cause your computer to stop working.

Delete Registry keys.
1. Select Start > Run, type in regedit, and click OK. This displays the Registry Editor.
2. Delete the following folders from the Registry. To delete a folder, select it and select Edit > Delete from the menu.
  - HKEY_LOCAL_MACHINE SOFTWARE ORACLE
  - HKEY_LOCAL_MACHINE SYSTEM CurrentControlSet Services ORACLE
  - HKEY_LOCAL_MACHINE SYSTEM ControlSet X Services ORACLE
    
    X is a number, for example, ControlSet001.
  - HKEY_CURRENT_USER Software ORACLE
  - HKEY_CLASSES_ROOT ORACLE
3. If you are running on Windows NT, delete the following additional folders:
  - HKEY_LOCAL_MACHINE SOFTWARE Apache Group Apache 1.X.X
    
    If the ServerRoot path points to an existing Oracle home, select and delete Apache Group.
  - HKEY_LOCAL_MACHINE SOFTWARE classes ORACLE.
4. Exit the Registry Editor.
Edit/delete environment variables.

To display environment variables:
- Windows 2000: Right click My Computer and select Properties. Select the Advanced tab, then click Environment Variables.
- Windows NT: Right click My Computer and select Properties. Then select the Environment tab.
1. Delete the following system variables if they exist:
  - DISCO_JRE
  - DISCO_VBROKER
  - VBROKER_JAVAVM
  - VBROKER_TAG -D
  - WV_GATEWAY_CFG
2. Modify the Path system variable to remove all references to any previous Oracle home paths.
  - Windows 2000:
    
    Highlight the Path system variable. Click the Edit button and modify the path in the Variable Value field.
  - Windows NT:
    
    Highlight the Path system variable. Modify the path in the Value field.
    
    For example, the following shows an Oracle-modified Path system variable:
```
C:\ias904\iSuites\BIN;C:\ias904\806\bin;C:\ias904\iSuites\Apache\Perl\5.00503\bin\mswin32-x86;C:\ProgramFiles\Oracle\jre\1.1.7\bin;C:\WINNT\system32;C:\WINNT;C:\WINNT\System32\Wbem;C:\ias904\806\vbroker\bin;C:\ias904\806\jdk\bin
```
    The following shows the Path system variable after removal of the Oracle home references:
```
C:\WINNT\system32;C:\WINNT;C:\WINNT\System32\Wbem
```
Click OK
Remove Oracle program folders.

Windows 2000:
- Click Start > Programs. Remove Oracle folders by right clicking on the folder and selecting Delete.
Window NT:
1. Click Start > Programs > Windows NT Explorer.
2. On the installation hard drive go to WINNT\Profiles\All Users\Start Menu\Programs.
3. Right click and delete each Oracle directories.
4. Go to WINNT\Profiles\All Users\Start Menu\Programs\Startup.
5. Right click and delete each Oracle icon.
Delete the Oracle user.

Windows 2000:
1. Click Start > Settings > Control Panel > Administrative Tools > Computer Management > Local Users and Groups > Users. Open the Users folder and delete the user name for installation of Oracle applications.
2. Exit Administrative Tools.
3. Double click My Computer on your desktop. Inspect the Documents and Settings directories on your hard drive and delete any Oracle user entries.
4. Exit My Computer.
Windows NT:
1. Click Start > Programs > Administrative Tools > User Manager. Under the Username column, highlight the user name for installation of Oracle applications. Select Delete from the User menu.
2. Exit the User Manager.
3. Click Start > Programs > Windows NT Explorer. Go to WINNT\Profiles on the installation hard drive and remove the user for installation of Oracle applications.
4. Exit Windows NT Explorer.
For Windows NT, delete Oracle folders in the TEMP directory.
1. Click Start > Programs > Windows NT Explorer
2. Open the TEMP directory on your installation hard drive and delete the Install Guide and OraInstall directories.
3. Exit Windows NT Explorer.
Reboot your computer.
After your computer reboots, remove existing Oracle home directories from your hard drive.

Click Start > Programs > Windows NT Explorer. Delete any Oracle home directories that are displayed on your installation hard drive.

For example:

C:\Oracle\*, C:\Program Files\Oracle\*
Exit Windows NT Explorer.
Reboot your computer.

B.3 Reinstallation

The installer does not allow reinstallation of an Forms and Reports Services instance in a directory that already contains an Forms and Reports Services instance. To reinstall Forms and Reports Services in the same directory, you have to deinstall and then install it.