diff --git a/src/libraries/System.Net.Quic/tests/FunctionalTests/MsQuicTests.cs b/src/libraries/System.Net.Quic/tests/FunctionalTests/MsQuicTests.cs
index 809b9a3ba8035..d66d9fd752abe 100644
--- a/src/libraries/System.Net.Quic/tests/FunctionalTests/MsQuicTests.cs
+++ b/src/libraries/System.Net.Quic/tests/FunctionalTests/MsQuicTests.cs
@@ -104,6 +104,7 @@ public async Task ConnectWithCertificateChain()
         }
 
         [Fact]
+        [ActiveIssue("https://github.com/dotnet/runtime/issues/64944", TestPlatforms.Windows)]
         public async Task UntrustedClientCertificateFails()
         {
             var listenerOptions = new QuicListenerOptions();
@@ -331,6 +332,7 @@ public async Task ConnectWithCertificateForLoopbackIP_IndicatesExpectedError(str
         [Theory]
         [InlineData(true)]
         // [InlineData(false)] [ActiveIssue("https://github.com/dotnet/runtime/issues/57308")]
+        [ActiveIssue("https://github.com/dotnet/runtime/issues/64944", TestPlatforms.Windows)]
         public async Task ConnectWithClientCertificate(bool sendCerttificate)
         {
             bool clientCertificateOK = false;
diff --git a/src/libraries/System.Net.Quic/tests/FunctionalTests/QuicTestBase.cs b/src/libraries/System.Net.Quic/tests/FunctionalTests/QuicTestBase.cs
index 7bf38b0812980..39e6be421905a 100644
--- a/src/libraries/System.Net.Quic/tests/FunctionalTests/QuicTestBase.cs
+++ b/src/libraries/System.Net.Quic/tests/FunctionalTests/QuicTestBase.cs
@@ -167,6 +167,7 @@ internal QuicListener CreateQuicListener(IPEndPoint endpoint)
                     if (retry == 0)
                     {
                         Debug.Fail($"ConnectAsync to {clientConnection.RemoteEndPoint} failed with {ex.Message}");
+                        throw ex;
                     }
                 }
             }