diff --git a/src/TraceEvent/TraceEventSession.cs b/src/TraceEvent/TraceEventSession.cs
index 1377757a1..7521ab1c1 100644
--- a/src/TraceEvent/TraceEventSession.cs
+++ b/src/TraceEvent/TraceEventSession.cs
@@ -1762,7 +1762,7 @@ internal static SortedDictionary<string, Guid> ProviderNameToGuid
                             }
                             else
                             {
-                                Trace.WriteLine("TdhEnumerateProviders failed HR = " + hr);
+                                throw new Exception("TdhEnumerateProviders failed HR = " + hr);
                             }
                         }
                     }