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port number of SQL Server

In SQL Server - What ports need to be opened on the firewall to get access

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    Belongs on Server Fault. Is this default or named instance? – Martin Smith Sep 17 '10 at 11:48

By default, MS SQL Server doesn't have the TCP/IP protocol enabled. You have to open Sql Server Configuration Manager, enable the TCP/IP protocol, customize port if needed (default is 1433), and restart the service.


Since you didn't specify much information, I'll go with the half-a-second Google route:


Leads to:



Try to specify tcp/ip port 1433



By default, TCP port 1433 is used.


I think by default the SQL server instances run on port number 1433. But I think it can be configured to run on other ports too.

You can find on which port your sql instance is running by following this -

Using the GUI: In SQL Server 2005, you can use the SQL Server Configuration Manager. Look under SQL Server 2005 Network Configuration and look at the TCP port for the TCP/IP protocol.

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