http://myjeeva.com/querying-active-directory-using-java.html
http://www.programming-free.com/2012/09/query-active-directory-from-java-using.html
http://www.deepakgaikwad.net/index.php/2009/09/24/retrieve-basic-user-attributes-from-active-directory-using-ldap-in-java.html
On machines with WMI errors check these out
http://support.microsoft.com/kb/2260600
http://blogs.technet.com/b/askperf/archive/2014/08/11/wmi-missing-or-failing-wmi-providers-or-invalid-wmi-class.aspx
* Check the firewall settings
http://blogs.technet.com/b/askperf/archive/2007/01/21/network-stored-pst-files-don-t-do-it.aspx
http://support.microsoft.com/kb/2698555
ws714 ==> 10.136.103.53
mtw11319 ==> 10.136.103.53
kgumpc5902 ==> 10.136.103.53
10.136.103.53 ==> mtw11319 / kgumpc5902
But not flagged as R-DNS fail.
Core.tc = jTable1.getColumnModel().getColumn(2);
jTable1.getColumnModel().removeColumn(Core.tc);
jTable1.addColumn(Core.tc);
Where Core has...
public static TableColumn tc;