How to Fix a failed SQL 2005, 2008, R2 or 2012 Install/Upgrade – MSSQLSERVER.INACTIVE

It doesn’t matter what version of SQL you’re on, upgrading to etc…this issue can pretty much be resolved using this process (including pre-release/CTP/Beta/old-to-new etc.), although you might always be the exception 🙂 This took me a long time to figure out, so I hope it helps you out! Problem/Sympton: I went to upgrade a perfectly…

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