Monday Morning Mistakes: Remote Connectivity to SQL Server

Inspired by common emails and questions I  see, I figured I’d do a series of blog posts on common mistakes folks make with SQL Server called Monday Morning Mistakes (or #sqlM3 for short, since we all love quick hashtags these days). These are meant as quick fixes, nothing too comprehensive. Also since I just made up a hashtag, feel free to share your own #sqlM3 tips on Twitter anytime! Without further ado…

Today’s quick issue: Can connect to SQL Server locally but can’t connect from other server or computer.

Quick answer: Remote connections (read also: any connections that are not local) to SQL Server are disabled by default. This behavior is default in SQL Server 2005 and higher. You have to manually enable TCP/IP protocol to instance to allow connectivity. This requires a service restart to take effect.

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