http://blogs.msdn.com/s4cd/archive/2007/04/16/guest-blog-user-account-control-for-developers.aspxKenny Kerr is our guest blogger this month. Here is his bio: Kenny Kerr is a founding employee and Chief Software Architect at PlateSpin Ltd. where he designs and builds new products and helps drive the technical direction for PlateSpin’s market-leadingenCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/s4cd/archive/2007/04/16/guest-blog-user-account-control-for-developers.aspx#3240653Tue, 12 Jun 2007 08:35:08 GMT91d46819-8472-40ad-a661-2c78acb4018c:3240653KarlZhou<p>&gt;&quot;if all you need is to determine whether or not you are currently elevated you can simply call the IsUserAnAdmin function&quot;.</p> <p>IsUserAnAdmin is not appropriate for judgement of elevation. The problem comes when you elevate a standard user with a standard user credential: the token associated is elevated but IsUserAnAdmin returns a false result.</p> <p>As you have pointed out, the accurate way is to use GetTokenInformation and get value of TOKEN_ELEVATION.TokenIsElevated.</p> <p>Karl</p>