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everyone. If you don't want to read through it all, the question I have is: What would cause the Oracle 11g Client Installer to not install all of the registry keys properly? I'm not sure how specific this is to my environment, so I'll try to be as specific as I can and this first paragraph may not be relevant. If it's not, I apologize.

I'm installing the Administrative deployment of the Oracle 11g Client Installer, and after installing all of the 32/64-bit ODBC Drivers, testing the credentials, SunGard EAS 11.5, etc... I receive an error from EAS 11.5 telling me...
Unexpected Server Error

Lucky for me, that's me! The problem is that other people are already in EAS so obviously it's not a server failure, which, since every machine is Windows 10 r14393 64-bit, leads me to the only difference between the environments: The Registry.

During the installation, I change the REG_SZ insta_loc in HKLM\Software\Oracle\ from C:\Program Files\Oracle\Inventory to C:\Program Files (x86)\Oracle\Inventory so it installs correctly. In a good install, the following registry keys appear:
Properly Installed Registry Keys

Lately, only the following keys have been appearing, when installed from either my Network (Admin) Account, or the local Administrator, over the network or locally from the HDD:
Badly Installed Registry Keys

Can anyone help me figure out (or answer) why the Oracle Installer(s) would only install certain registry keys? I feel like the only thing that would interfere with an install is permissions, but I've tried the same two Admin accounts I've previously and successfully installed this on to no avail. Thanks!

Austin Kargl
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  • The upper screenshot is certainly not a *good* install, it's a big mess. The lower screenshot looks much better as it should be. I strongly recommend to remove **all** these Oracle installations. Normal "Uninstall" will properly not succeed, see [How to uninstall / completely remove Oracle 11g (client)?](http://stackoverflow.com/questions/8450726/how-to-uninstall-completely-remove-oracle-11g-client) for manual remove. Then if you need 32+64 bit Oracle, check http://stackoverflow.com/questions/24104210/badimageformatexception-this-will-occur-when-running-in-64-bit-mode-with-the-32#24120100 – Wernfried Domscheit Oct 15 '16 at 06:55

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I recreated one of the computers in a different group policy and the install worked. The original group policy I had them in was set to automatically install certain .MSI files, and I believe those files wrote to directories with the SYSTEM account instead of using User privileges which disallowed me from writing to the directories and creating the necessary keys.

Austin Kargl
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