Great Idea! Thanks! I can run it through a logon bat file. I'm replacing/creating the "Messenger" folder on all machines, and with "No Access", Lusers can't pull in new messenger versions, nor will current ones work. I tried the CACLS command, but couldn't get it working right through a bat file. Thanks again! One security hole closed...... It's not what you know, It's how you treat those who don't