Re: How to completely uninstall Oracle?

You will have to go into the registry and your environment settings to clean up after Oracle and you'll also have to remove some directories by hand. But in my opinion you can leave the legacy keys alone and they will have no effect on future installation of Oracle products.

Van

"Winbatch" <winbatch_at_techie.com> wrote in message news:9rfans$ial$1_at_bob.news.rcn.net...
> Take a look at regcleaner at www.jv16.org which I have used for stuff like
> this before.
> "Michael G. Schneider" <mgs_at_mgs-software.de> wrote in message
> news:9rf5c0$eml$05$1_at_news.t-online.com...
> > "Hello_World" <nix1_at_cuse15.se.cuhk.edu.hk> schrieb im Newsbeitrag
> > news:9re0ub$fqe$1_at_eng-ser1.erg.cuhk.edu.hk...
> > > I have installed Oracle8i in Windows 2000.
> > > How can I completely uninstall it?
> > > I have uninstalled all components in tbe Universal Installer,
> > > delete the Oracle directories and delete some entries in Windwos
> registry.
> > > However, in the registry, there are some fields that cannot be delete.
> > > They are OracleOraHome8i........
> > > Also, in the service componet in Windows 2000, there are still two
> Oracle
> > > services. How can I remove them?
> > > When I try to install Oracle again, the Universal Installer knows
where
> > > the previous Oracle Home is.
> > >
> > > How can I uninstall Oracle Completely?
> >
> > I have already gone through this painfull experience, as I always had
> > problems installing an Oracle on a server where an uninstall had just
> taken
> > place. Obviously the Oracle uninstaller doesn't uninstall perfectly.
> >
> > You have to open the registry and delete each and every of the
"surviving"
> > keys manually. There are some keys in the CurrentControlSet section,
> having
> > the string "LEGACY" in it. These keys have security on them. You will
> first
> > have to make them deleteable. The REGEDIT tool can't be used for this.
You
> > have to use REGEDT32 for this. It's user interface for managing a key's
> > security is similar to the usual Explorer's security dialog.
> >
> > If there are services left in the system after an uninstall, you can use
> > SRVINSTW for also removing those services. This tool is part of the NT
> > Ressource Kit, and I think it can also be downloaded for free from the
MS
> > web site.
> >
> > Michael G. Schneider
> >
> >

>
> Received on Sat Oct 27 2001 - 17:12:03 CDT