WindowsPrincipal.IsInRole question

I can't understand why these keeps occuring. The following section of code should output two lines saying true:

Code:

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WindowsIdentity MyIdentity = WindowsIdentity.GetCurrent();
WindowsPrincipal MyPrincipal = new WindowsPrincipal(MyIdentity);
Console.WriteLine(MyPrincipal.IsInRole(WindowsBuiltInRole.Administrator));
Console.WriteLine(MyPrincipal.IsInRole("Administrator"));

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Instead, the second IsInRole returns false. I've tried domain\username also and I get the same behaviour. I've also created a testgroup and hadded myself to it. Yet again, it fails. Perhaps I'm missing something?

Quote:

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Originally posted by CPCericola
I can't understand why these keeps occuring. The following section of code should output two lines saying true:

Code:

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WindowsIdentity MyIdentity = WindowsIdentity.GetCurrent();
WindowsPrincipal MyPrincipal = new WindowsPrincipal(MyIdentity);
Console.WriteLine(MyPrincipal.IsInRole(WindowsBuiltInRole.Administrator));
Console.WriteLine(MyPrincipal.IsInRole("Administrator"));

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Instead, the second IsInRole returns false. I've tried domain\username also and I get the same behaviour. I've also created a testgroup and hadded myself to it. Yet again, it fails. Perhaps I'm missing something?

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I've tried the same thing and I"m getting the same error. It's very baffling.

Quote:

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Originally posted by jparsons


I've tried the same thing and I"m getting the same error. It's very baffling.

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I think I figured it out. It's talking about the Domain/Computer role not group. If I'm not mistaken, isn't there a difference between these two?