title: mac El Capitan connect to server using smb failed
body: <p>Mac OS X El Capitan (Version 10.11.5) want to connect to a server to access some shared images. 
  <code>Finder -&gt; Go -&gt; Connect to Server</code>, then input address</p>
  
  <pre><code>smb://172.16.X.X/
  </code></pre>
  
  <p>then next step enter username and password, then it hints</p>
  
  <pre><code>Check the server name or IP address, and then try again. If you continue to have problems, contact your system administrator.
  </code></pre>
  
  <p>but all my colleague could connect it successfully, only myself cannot connect it.</p>
  
  <p>The error message in <code>Console</code> is</p>
  
  <pre><code>6/16/16 21:14:24.000 kernel[0]: smb_ntstatus_error_to_errno: Couldn't map ntstatus (0xc000019c) to errno returning EIO
  6/16/16 21:14:25.000 kernel[0]: smb_ntstatus_error_to_errno: Couldn't map ntstatus (0xc000019c) to errno returning EIO
  6/16/16 21:14:26.000 kernel[0]: smb_ntstatus_error_to_errno: Couldn't map ntstatus (0xc000019c) to errno returning EIO
  6/16/16 21:14:26.465 NetAuthSysAgent[1218]: checkForDfsReferral: mounting dfs url failed, syserr = Unknown error: -1073741412
  6/16/16 21:14:26.465 NetAuthSysAgent[1218]: smb_mount: mount failed to 172.16.X.X/
  smb:, syserr = Unknown error: -1073741412
  </code></pre>
  
  <p>I also tried to connect it in terminal</p>
  
  <pre><code>mount -t smbfs  '//172.16.X.X/' share
  mount_smbfs: mount error: /Users/foo/share: Unknown error: -1073741412
  </code></pre>