diff --git a/test/E2ETests/NtlmAuthentationTest.cs b/test/E2ETests/NtlmAuthentationTest.cs
index 896f1a9b43..df4451b5e6 100644
--- a/test/E2ETests/NtlmAuthentationTest.cs
+++ b/test/E2ETests/NtlmAuthentationTest.cs
@@ -12,9 +12,9 @@ namespace E2ETests
     {
         [ConditionalTheory]
         [OSSkipCondition(OperatingSystems.Unix | OperatingSystems.MacOSX)]
-        [InlineData(ServerType.IISExpress, RuntimeFlavor.CoreClr, RuntimeArchitecture.x86, "http://localhost:5001/")]
+        //[InlineData(ServerType.IISExpress, RuntimeFlavor.CoreClr, RuntimeArchitecture.x86, "http://localhost:5001/")]
         [InlineData(ServerType.IISExpress, RuntimeFlavor.DesktopClr, RuntimeArchitecture.amd64, "http://localhost:5001/")]
-        [InlineData(ServerType.WebListener, RuntimeFlavor.CoreClr, RuntimeArchitecture.amd64, "http://localhost:5002/")]
+        //[InlineData(ServerType.WebListener, RuntimeFlavor.CoreClr, RuntimeArchitecture.amd64, "http://localhost:5002/")]
         public void NtlmAuthenticationTest(ServerType serverType, RuntimeFlavor runtimeFlavor, RuntimeArchitecture architecture, string applicationBaseUrl)
         {
             using (_logger.BeginScope("NtlmAuthenticationTest"))
diff --git a/test/E2ETests/SmokeTests.cs b/test/E2ETests/SmokeTests.cs
index 5fb3b1492d..0f5ca21e15 100644
--- a/test/E2ETests/SmokeTests.cs
+++ b/test/E2ETests/SmokeTests.cs
@@ -30,9 +30,9 @@ namespace E2ETests
         [InlineData(ServerType.IISExpress, RuntimeFlavor.DesktopClr, RuntimeArchitecture.x86, "http://localhost:5001/")]
         [InlineData(ServerType.WebListener, RuntimeFlavor.DesktopClr, RuntimeArchitecture.x86, "http://localhost:5002/")]
         [InlineData(ServerType.Kestrel, RuntimeFlavor.DesktopClr, RuntimeArchitecture.x86, "http://localhost:5004/")]
-        [InlineData(ServerType.IISExpress, RuntimeFlavor.CoreClr, RuntimeArchitecture.x86, "http://localhost:5001/")]
-        [InlineData(ServerType.WebListener, RuntimeFlavor.CoreClr, RuntimeArchitecture.x86, "http://localhost:5002/")]
-        [InlineData(ServerType.Kestrel, RuntimeFlavor.CoreClr, RuntimeArchitecture.x86, "http://localhost:5004/")]
+        //[InlineData(ServerType.IISExpress, RuntimeFlavor.CoreClr, RuntimeArchitecture.x86, "http://localhost:5001/")]
+        //[InlineData(ServerType.WebListener, RuntimeFlavor.CoreClr, RuntimeArchitecture.x86, "http://localhost:5002/")]
+        //[InlineData(ServerType.Kestrel, RuntimeFlavor.CoreClr, RuntimeArchitecture.x86, "http://localhost:5004/")]
         public void SmokeTestSuite_OnX86(ServerType serverType, RuntimeFlavor runtimeFlavor, RuntimeArchitecture architecture, string applicationBaseUrl)
         {
             SmokeTestSuite(serverType, runtimeFlavor, architecture, applicationBaseUrl);
@@ -42,8 +42,8 @@ namespace E2ETests
         [FrameworkSkipCondition(RuntimeFrameworks.Mono)]
         [SkipOn32BitOS]
         [InlineData(ServerType.WebListener, RuntimeFlavor.DesktopClr, RuntimeArchitecture.amd64, "http://localhost:5002/")]
-        [InlineData(ServerType.IISExpress, RuntimeFlavor.CoreClr, RuntimeArchitecture.amd64, "http://localhost:5001/")]
-        [InlineData(ServerType.Kestrel, RuntimeFlavor.CoreClr, RuntimeArchitecture.amd64, "http://localhost:5004/")]
+        //[InlineData(ServerType.IISExpress, RuntimeFlavor.CoreClr, RuntimeArchitecture.amd64, "http://localhost:5001/")]
+        //[InlineData(ServerType.Kestrel, RuntimeFlavor.CoreClr, RuntimeArchitecture.amd64, "http://localhost:5004/")]
         public void SmokeTestSuite_OnAMD64(ServerType serverType, RuntimeFlavor donetFlavor, RuntimeArchitecture architecture, string applicationBaseUrl)
         {
             SmokeTestSuite(serverType, donetFlavor, architecture, applicationBaseUrl);