http://blogs.msdn.com/jaredpar/archive/2007/08/01/detecting-if-you-are-an-admin.aspxThis came up on an internal alias. A customer wanted to know how to determine if there were running as an admin in a tool. Below is a sample program that will print out whether or not you are the machine admin or a member of the machine administratorsen-USCommunityServer 2.1 SP1 (Build: 61025.2)