How to Remove an Oracle E-Business Suite Release 12.x Windows Environment
The procedure described in this document (Note 567507.1 on Oracle Metalink) lists the steps you must take to remove an E-Business Suite R12 environment or environments from a Windows system.
Step 1. Back up the System and Windows Registry
Refer to Microsoft Article ID 326216: How to use the backup feature to back up and restore data in Windows Server 2003
Step 2. Alter the Windows Registry
Delete the relevant Oracle components from the Windows registry, as follows.
To delete all Oracle environments on the system:
* Launch the Registry Editor.
* Navigate to the HKEY_LOCAL_MACHINESoftware key.
* Select the Apache Group subkey and delete it.
* Select the Oracle subkey and delete it.
* Navigate to the HKEY_LOCAL_MACHINESystemCurrent Control SetServices.
* Carefully select and delete each service beginning with Oracle. For example, delete “OraclePROD_<nodename>_ToolsASControl”.
* When you are finished, exit the Registry Editor.
Step 3. Alter Environment Settings
Complete these steps to delete Oracle parameters from the environment.
Navigate to the Environment Variables editing screen according to your system setup. For example, right-click My Computer and select Properties. From the Advanced tab, click the Environment Variables button.
To remove all Oracle environments from the system:
Select the following system variable if created during the failed installation, and delete it: PERL5LIB.
Select the Path variable, but do not delete it. Carefully edit it and remove any component with “Oracle” in the name, or that otherwise references the failed install. For example, delete “e:oraclePRODdbtech_st10.2.0bin;”.
Save and exit System Properties.
Step 4. Clean up the Program Menu
Launch the Program menu (Start -> Programs). Delete all Oracle programs groups.
Step 5. Restart your Machine
Step 6. Delete the Oracle Filesystem
Step 7. Delete Programs and Oracle Inventory Entries
To delete the inventory associated with a specific instance:
* Start the Oracle Universal Installer using: Start >> All Programs >> Oracle-<SID>_db102_RDBMS>>Oracle Installation Products>>Universal Installer
* Select Installed Products
* Enable “Show empty homes”
Deinstall the entries in the global inventory associated with the Oracle Applications R12 instance which you removed earlier. For example, for the PROD instance, you would delete:
* * RDBMS ORACLE HOME (e.g. “PROD_DB__oracle_PROD_db_tech_st_10_2_0″)
* * 10gAS ORACLE HOME (e.g.”PROD_WEBOH__oracle_PROD_apps_tech_st_10_1_3”)
* * Developer 10g ORACLE HOME (for example, “PROD_TOOLS__oracle_PROD_apps_tech_st_10_1_2”)
* Exit the Universal Installer
To delete the files associated with all Oracle environments on the system:
* Open a command window and navigate to the C:Program Files directory.
* Delete the Oracle subdirectory.
* If your Oracle Inventory directory was not C:Program FilesOracleInventory and was therefore not deleted in the previous step, locate it and delete it.
Reference:
How to Remove an Oracle E-Business Suite Release 12.x Windows Environment [ID 567507.1]
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