Click the Deinstall Products button. The Inventory window appears. Check the boxes of components to remove. Click Remove. The Confirmation window appears. Click Yes to remove the selected components. Note: A message may appear indicating that removing some components may cause other components to not function properly. Do this only as a last resort, and only if you want to remove all Oracle components from your system.
Incorrectly using the Registry Editor can cause serious problems and might require you to reinstall your operating system. Exit the registry editor. Restart your computer. Removing All Oracle Registry Keys To remove all Oracle registry keys from a computer if any exist : 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 break your system. Note: These registry keys do not appear if you installed Instant Client. Use this flag in Oracle Grid Infrastructure installations on a multinode environment to deconfigure a local Grid home without deleting the Grid home. Use this flag in Oracle Grid Infrastructure installations on a multinode environment to deconfigure a remote Grid home without deleting the Grid home. Parent topic: Removing Oracle Database Software.
Previous Next JavaScript must be enabled to correctly display this content. Purpose The deinstall tool stops Oracle software, and removes Oracle software and configuration files on the operating system for a specific Oracle home. Syntax The standalone deinstallation tool uses the following syntax:. Parameters Parameter Description -home Use this flag to indicate the home path of the Oracle home to check or deinstall.
This option requires one of the following: A working system that it can access to determine the installation and configuration information. Use this flag to indicate the home path of the Oracle home to check or deinstall. To deinstall Oracle software using the deinstall command in the Oracle home you plan to deinstall, provide a parameter file in another location, and do not use the -home flag.
If you use the standalone version of the tool, then -home is mandatory. Use this flag to run the command in silent or response file mode. If you use the -silent flag, then you must use the -paramfile flag, and provide a parameter file that contains the configuration values for the Oracle home to deinstall or deconfigure.
You can generate a parameter file to use or modify by running deinstall with the -checkonly flag. The deinstall command then discovers information from the Oracle home to deinstall and deconfigure. It generates the properties file, which you can then use with the -silent option. You can also modify the template file deinstall. Use this flag to check the status of the Oracle software home configuration.
Running the command with the -checkonly flag does not remove the Oracle configuration. However, files may have been copied to your Oracle home. Remove these files manually and restart the installation.
If any Oracle services names begin with Oracle or Ora exist and have the status Started , then select each of the services, and click Stop. Ensure that you first follow the instructions in the "Stopping Oracle Services" section. For example, if you installed a database with the Enterprise Edition option and later installed additional components with the Custom option, expand the Oracle home component to display all the components installed in the Oracle home.
In the Confirmation dialog box, click Yes to remove the selected components. After the components are removed from your computer, the Inventory window appears without the removed components. Oracle Universal Installer does not remove all Oracle components. After using Oracle Universal Installer to remove Oracle components, you need to manually remove remaining registry keys, environment variables, Start menu options, and directories.
To remove an Automatic Storage Management ASM instance running in the Oracle home after the database has been removed, perform the following steps:.
Enter the following command to determine whether any Oracle database instances are using the Automatic Storage Management instance:. This command lists all of the database instances that are using this Automatic Storage Management instance. This command only lists database instances that are running. It is possible that other instances are associated with the Automatic Storage Management instance, but they are not currently running.
If you removed a database from this Oracle home but the output from the command shows that this Automatic Storage Management instance is supporting a database instance in another Oracle home, do not remove the Automatic Storage Management instance or the Oracle home. If there are no database instances associated with this Automatic Storage Management instance, drop the disk group associated with this instance.
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