Article:
  Windows Server Hacks: Disable "Run As"
Subject:   Some false assumptions here...
Date:   2004-03-18 09:21:35
From:   mitchtulloch
Response to: Some false assumptions here...

As for disabling Run As using Software Restriction, it *does* work. Even though the "Run As" option is still available when you right-click on a program in Explorer, you can't Run As a program using alternate credentials if you're an ordinary user logged on to the machine, you can only run programs using your own credentials.