Question: Without going into the SQL Server Configuration manager via the GUI is there a command oriented method to extract the port number SQL Server is listening on?
Answer: There are a few different methods to extract the port number without going into the Configuration interface.
Method 1 – use xp_readererrorlog
Read on for an explanation of this technique as well as links to a couple other methods. I hadn’t thought about using the error log as a source, but it works.