title: How to specify a port number in SQL Server connection string?
body: <p>I use the following connection string in SQL Server Management Studio. It failed to connect:</p>
  
  <p><code>mycomputer.test.xxx.com:1234\myInstance1</code></p>
  
  <p>But the following one is ok:</p>
  
  <p><code>mycomputer.test.xxx.com\myInstance1</code></p>
  
  <p>So how do I specify a port number in a connection string?</p>