title: Error connecting to SQL Server with Windows Authentication
body: <p>I want to connect to SQL Server with Windows authentication and create a SQL Server user.</p>
  <p>The error I get while doing this is:</p>
  <blockquote>
  <p>Login failed for user 'PCNAME\UserName'. Reason: The account is disabled. (Microsoft SQL Server, Error: 18470)</p>
  </blockquote>
  <p>I also get the following error when I try to connect with PsTools:</p>
  <blockquote>
  <p>Unable to connect: Login failed for user 'NT AUTHORITY\SYSTEM'.<br />
  Reason: The account is disabled.</p>
  </blockquote>
  <p>What kind of process should I provide to activate the NT AUTHORITY\SYSTEM user? Or how can I act?</p>
  <p>Thank you in advance for your help.</p>