SQL Server 2012 Installer Fails

  • I am trying to completely clean my dev pc and reinstall SQL Server 2012. I manually uninstalled everything in Add / Remove Programs that had SQL Server in the name. I located and deleted all SQL related Services. I rebooted, and then I re-run the installer.

    I get the 'Landing Page', I run the checks... it passes...and then it just quits!

    I watched the process in Process Explorer.. a program named FixSqlRegistryKey_x64 runs, then ends. Nothing after that.

    I've run CCleaner to clean the registry.

    Any other thoughts?

  • hi,

    for sql server, never use the program files but use the SQL setup and pick add or remove futures from an existing installation.

    don't use CCcleaner!

    command prompt for uninstall sql instance with the setup

    MyInstance = name of your instance, probably MSSQLSERVER if the default.

    setup.exe /ACTION=uninstall /FEATURES=SQL /INSTANCENAME=MyInstance

    Remove directories related to SQL Server from Program Files (including x86)

    Remove references to those directories from the registry (manual).

    Remove references in registry to your old instance.

    But normally uninstall should do the trick.

  • I just wanted to uninstall all instances of SQL Server and only install SSMS. I'm sure it was some obscure instance of registry damage that prevented the installer from running.

    I ran all uninstallers that would run, deleted all folders, etc. In the end, I was able to successfully install the downloaded SSMS 2014, so I have what I need.

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