T-SQL Script to check SQL Server Instance TCP/IP Port Number


SQL Server Error Log

-- Check the error log for port number
EXEC xp_ReadErrorLog 0, 1, N'Server is listening on', N'any', NULL, NULL, 'DESC'
GO

Executing DMV Script

-- you must connect remotely using TCP/IP
SELECT local_tcp_port
FROM   sys.dm_exec_connections
WHERE  session_id = @@SPID
GO

For Dynamic Port Number
— Read the registry for port number

-- Execute below script if SQL Server is configured with dynamic port number
DECLARE       @portNo   NVARCHAR(10)
 
EXEC   xp_instance_regread
@rootkey    = 'HKEY_LOCAL_MACHINE',
@key        =
'Software\Microsoft\Microsoft SQL Server\MSSQLServer\SuperSocketNetLib\Tcp\IpAll',
@value_name = 'TcpDynamicPorts',
@value      = @portNo OUTPUT
 
SELECT [PortNumber] = @portNo
GO

For Static Port Number

-- Execute below script if SQL Server is configured with static port number
DECLARE       @portNo   NVARCHAR(10)
 
EXEC   xp_instance_regread
@rootkey    = 'HKEY_LOCAL_MACHINE',
@key        =
'Software\Microsoft\Microsoft SQL Server\MSSQLServer\SuperSocketNetLib\Tcp\IpAll',
@value_name = 'TcpPort',
@value      = @portNo OUTPUT
 
SELECT [PortNumber] = @portNo
GO
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One thought on “T-SQL Script to check SQL Server Instance TCP/IP Port Number

Thanks for the comment, will get back to you soon... Jugal Shah

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