title: Check_mk_agent Error: Failed to gather SQL Server instances
body: <p>I am using Check_mk monitoring. I would like to monitor my SQL Server performance counters.</p>
  
  <p>I have placed <code>mssql.vbs</code> plugin in the <code>Check_mk</code> agent plugin folder and then restarted the <code>Check_mk_agent</code> service.</p>
  
  <p>Post that, I have performed the discovery in <code>Check_mk</code> server.</p>
  
  <p>By doing everything listed above, I am not able to see any performance counters in <code>Check_mk</code> server.</p>
  
  <p>I have also run the <code>Check_mk_agent.exe</code> on the command prompt, it is showing error: </p>
  
  <blockquote>
    <p>Failed to gather SQL Server instances</p>
  </blockquote>
  
  <p>No luck. Any feedback is appreciated.</p>