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Oracle Universal Installer (OUI) FAQ (Doc ID 458893.1)

Last updated on SEPTEMBER 06, 2021

Applies to:

Oracle Universal Installer - Version and later
Information in this document applies to any platform.


FAQ on Oracle Universal Installer (OUI )


Database Administrators, Support


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In this Document
 What is OUI?
 What are the Requirements for OUI?
 How to find the default java version automatically installed with OUI?
 Which is the default location for OUI?
 How to find the version of the installed OUI?
 Where can you find the logs for OUI?
 How to remove / de-install / uninstall an existing Oracle home using OUI?
 You have lost the Central Inventory but have a valid Oracle home(s). What do you do?
 You want to deploy multiple Oracle home(s) from an existing Oracle home. How do you do this?
 You have lost the $Oracle_Home/inventory local inventory or directories/files under this location, what can you do?
 How is OUI Getting initialized?
 Can you edit oraparam.ini file?
 What are the different modes of installation using OUI?
 What are OUI exit codes?
 How can you troubleshoot the OUI hanging/disappearing issues on UNIX?
 How can you trouble shoot the OUI hanging/disappearing issues on WINDOWS?
 When You start OUI from any location, after setting the PATH , you get an error that reads "Could not read any NLS message catalogue!". What do you do?
 What is Cloning? How can you do a cloning using OUI?
 How to attach an Oracle Home using OUI?
 How to detach an Oracle Home using OUI? 
 How to start the OUI if the oraInst.loc file is not in the default location? (Unix)
 How to create a new response file? 
 How to remove/ de-install / uninstall  Oracle products using OUI?
 How to clean up the inventory after deleting the Oracle Home manually using OS commands ("rm -rf " or other)?
 How to remove the central inventory after all the Oracle Homes on a host are removed? 
 How to do the prerequisite/conflicts checks using OUI (Oracle Universal Installer) before applying/rolling back a patch? 
 How to create a response file for silent installation?
 Can you use OUI to install one-off patches?
 How can you trace OUI on Windows or Unix?
 Can I install a new ORACLE_HOME using OUI, while a database from a different ORACLE_HOME is still running?
 How to download latest Standalone OUI?

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