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Oracle® Application Server Forms and Reports Services Installation Guide 10g Release 2 (10.1.2) for Windows B16392-02 |
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# B Deinstallation and Reinstallation

This appendix guides you through the deinstallation and reinstallation process for 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 Administrator's Guide for more information on stopping all related services or processes.

This appendix contains the following topics:

- Deinstallation of Forms and Reports Services Instances

- Deinstalling All Oracle Products Manually

- Reinstallation

## B.1 Deinstallation of Forms and Reports Services Instances

To deinstall Forms and Reports Services instances, you have to completely remove the items listed in Table B-1.

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 `/var/opt/oracle` directory | Installer

See the Oracle Application Server Installation Guide for more information on deinstallation of 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.

1. Delete Registry keys.

   1. Select Start > Run, type in regedit, and click OK to display 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. Exit the Registry Editor.

2. Edit/delete the environment variables.

   To display the environment variables, right click My Computer and select Properties. Select the Advanced tab, then click Environment Variables.

   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. To do this, highlight the `Path` system variable. Click Edit and modify the path in the Variable Value field.

3. Click OK.

4. Remove Oracle program folders. To do this, click Start > Programs. Remove Oracle folders by right-clicking the folder and selecting Delete.

5. Delete the Oracle user. To do this:

   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.

6. Reboot your computer.

7. After your computer reboots, remove existing Oracle home directories from your hard drive. For example, `C:\Oracle\*`, `C:\Program Files\Oracle\*`

8. 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 a Forms and Reports Services instance. To reinstall Forms and Reports Services in the same directory, deinstall Forms and Reports Services and then install it again.