How can I get the local group name for guests/administrators?

Question

Question:

I use the code found at http://support.microsoft.com/kb/306273

to add a windows user. The problem is i need to add the user to a group, but the gro

Answer 1

You can use this code, the returned value is correct for non-english systems:

var guestsGroup = new SecurityIdentifier(WellKnownSidType.BuiltinGuestsSid, null).Translate(typeof(NTAccount)).Value;