Index: Application/Ringtoets/src/Application.Ringtoets/App.xaml.cs
===================================================================
diff -u -r9d0378afbbd6a0e20806a6358fa50d2912aa8ece -r2975d80f56ec798af91d2ff0acafaa294e71c357
--- Application/Ringtoets/src/Application.Ringtoets/App.xaml.cs	(.../App.xaml.cs)	(revision 9d0378afbbd6a0e20806a6358fa50d2912aa8ece)
+++ Application/Ringtoets/src/Application.Ringtoets/App.xaml.cs	(.../App.xaml.cs)	(revision 2975d80f56ec798af91d2ff0acafaa294e71c357)
@@ -29,7 +29,6 @@
 using System.Linq;
 using System.Reflection;
 using System.Security;
-using System.Security.Principal;
 using System.Text.RegularExpressions;
 using System.Threading;
 using System.Windows;
@@ -410,8 +409,7 @@
         {
             try
             {
-                WindowsIdentity identity = WindowsIdentity.GetCurrent();
-                return identity.IsAuthenticated;
+                return Thread.CurrentPrincipal.Identity.IsAuthenticated;
             }
             catch (SecurityException)
             {