How to remove a broken installation of SQL Server 2008

-setupsql serversql-server-2008

After installing the Service Pack 2 of Microsoft SQL Server 2008, the SQL Server failed to start. Trying to repair this, I've done some stupid things, which results now in the situation in which I cannot even install a fresh copy of SQL Server.

Here's actually what happens during setup:

  • Setup Support Rules screen (all passed, no warnings),
  • Product Key screen (entered a valid product key),
  • License Terms screen (accepted),
  • Setup Support Files screen (clicked Install).

Than the setup window closes, and nothing happens, no errors, nothing at all. No logs seem to be saved.

What are the steps to clean up the mess and to be able to install the SQL Server without being required to reinstall the whole OS?

Best Answer

I would follow this article, and then once done, I would run CCleaner.
SQL Server 2008 installation fails when you try to install SQL Server a second time

Then try to reinstall (make sure you use the same instance name).

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