Why am I getting System.Security.AccessControl.PrivilegeNotHeldException in my WPF application?

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I have a simple WPF application which is trying to find the ActiveDirectory groups a given user is a member of. The code for retrieving the groups is:

public static HashSet<string> GetUserGroups(string userLogon)
{
    var groups = new HashSet<string>(StringComparer.InvariantCultureIgnoreCase);
    var identity = new WindowsIdentity(userLogon);

    if (identity.Groups == null) { return groups; }

    var type = typeof(NTAccount);

    foreach (var group in identity.Groups)
    {
        groups.Add(group.Translate(type).ToString());
    }

    return groups;
}

However when I try running this at the startup of the app, I get the following exception thrown when the method tries to create the new WindowsIdentity(userLogon):

System.Security.AccessControl.PrivilegeNotHeldException: 'The process does not possess the 'SeTcbPrivilege' privilege which is required for this operation.'

Not this does not happen if I run the code in a Console app. Any ideas on what could be causing this?

security wpf .net c#
1 Answers

It turned out I was only seeing this exception due to enabling All Common Language Exceptions in Common Language Exception dialog.

This exception appears to be thrown internally.

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