Scripting - Manage User Account

http://www.eggheadcafe.com/forumarchives/scriptingVisualBasicscript/Dec2005/post24721132.asp

http://www.activexperts.com/activmonitor/windowsmanagement/adminscripts/usersgroups/localusers/#EnumUserAccounts.htm

http://social.technet.microsoft.com/Forums/es-ES/wsades/thread/50382b95-1289-45aa-b901-5d06f9cd4f02

http://www.vistax64.com/vb-script/181614-requesting-help-looking-see-if-local-user-exists.html

http://www.activexperts.com/activmonitor/windowsmanagement/adminscripts/usersgroups/groups/#EnumGroupmembership.htm

Espero que sirva la info,
Saludos.