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SQL Server Setup Config Files and Per-Version Maintenance

Aaron Bertrand diagnoses a problem:

We came across a new error during SQL Server setup that returned zero useful search results:

The setting ‘COMMFABRICPORT’ specified is not recognized.

I did not find too many mentions of this argument at all, never mind in that specific phrase – though now that I wrote this, it might start returning this post. Most mentions came from probably a single sample copy of ConfigurationFile.ini offered on a blog post from the ~2017 timeframe.

Read on to learn more about this, as well as short-term and long-term fixes for managing your installation config files.