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I have a client who recently was forced to reformat and reinstall Windows Server 2008 R2. Their ORACLE_HOME (Oracle 11g) and all of the data was located on a D: drive that was not reformatted. Can I associate this pre-existing ORACLE_HOME with Windows, or do I need to reinstall?

I'm thinking that all I should need to do is add the missing registry entries, recreate the listener, and use oradim to recreate the system service. If this would work, am I missing anything?

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I went ahead and reinstalled, but I'd still like to know for future reference since this could save a tremendous amount of time if it can be done. – Stuporman Feb 12 '14 at 18:21

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