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How to find TCPIP port via T-SQL

In most of the forums I’ve seen that users are not able to find on which port does their sql server is listening. Hence I decided to write a script to check TCPIP port on which sql server is listening. Checkout the below script.

Script:

 DECLARE @key VARCHAR(50), @RegistryPath VARCHAR(200)
IF (SERVERPROPERTY('INSTANCENAME')) IS NULL
BEGIN
SET @RegistryPath='Software\Microsoft\MSSQLServer\MSSQLServer\SuperSocketNetLib\Tcp'
END
ELSE
BEGIN
SET @RegistryPath='Software\Microsoft\Microsoft SQL Server\'+CONVERT(VARCHAR(25),SERVERPROPERTY('INSTANCENAME')) + '\MSSQLServer\SuperSocketNetLib\Tcp'
END
EXEC master.dbo.xp_regread 'HKEY_LOCAL_MACHINE', @RegistryPath, 'tcpPort'

Output

Value Data
tcpPort 1433

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