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Installing MS SQL Server 2008 Developer edition on a Vista Ultimate 64 Bit machine keeps returning the following error message:

SQL Server Setup failure

SQL Server Setup has encountered the following error:
Unknown property.

I've tried the following:

  • Uninstalled the previous installation
  • Deleted all folders that were installed and had to do with SQL Server 2008
  • Cleared my registry using ccleaner
  • Tried 'fixit' utility from Microsoft uninstalling left overs

I'm totally out of ideas.

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migrated from serverfault.com Feb 4 '12 at 14:48

This question came from our site for professional system and network administrators.

    
To determine the cause of error messages like these, it can be helpful to record every action an application performs, using Process Monitor. This article is an example of how it can be applied. –  Oliver Salzburg Feb 4 '12 at 16:01
    
the setup already records everything to a log file. I can't make up anything out of it. But i did give it a shot, that PM software eats my memory totally out. –  Yustme Feb 4 '12 at 19:06
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2 Answers

Check registry branch HKEY_CLASSES_ROOT\Installer\Products\ and remove any SQL Server related entries (e.g. D30CF9A3586C138449FCE4FD3D474979) if exists.

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I have removed some of those product codes a few weeks back. I couldn't find this one in the register. But i did found some SQL Server related stuff. Thought i removed them all. But it still gives me that unknown property error :( –  Yustme Feb 4 '12 at 12:35
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up vote 0 down vote accepted

I just installed sql server 2012. That went flawless. Problem solved.

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