diff --git a/test/E2ETests/NtlmAuthentationTest.cs b/test/E2ETests/NtlmAuthentationTest.cs
index 92f7faedd8..953cde0e13 100644
--- a/test/E2ETests/NtlmAuthentationTest.cs
+++ b/test/E2ETests/NtlmAuthentationTest.cs
@@ -15,8 +15,8 @@ namespace E2ETests
     {
         [ConditionalTheory, Trait("E2Etests", "E2Etests")]
         [OSSkipCondition(OperatingSystems.Linux | OperatingSystems.MacOSX)]
-        [InlineData(ServerType.IISExpress, RuntimeFlavor.CoreClr, RuntimeArchitecture.x86, "http://localhost:5050/")]
-        [InlineData(ServerType.IISExpress, RuntimeFlavor.Clr, RuntimeArchitecture.x64, "http://localhost:5051/")]
+        // [InlineData(ServerType.IISExpress, RuntimeFlavor.CoreClr, RuntimeArchitecture.x86, "http://localhost:5050/")]
+        // [InlineData(ServerType.IISExpress, RuntimeFlavor.Clr, RuntimeArchitecture.x64, "http://localhost:5051/")]
         [InlineData(ServerType.WebListener, RuntimeFlavor.CoreClr, RuntimeArchitecture.x64, "http://localhost:5052/")]
         public async Task NtlmAuthenticationTest(ServerType serverType, RuntimeFlavor runtimeFlavor, RuntimeArchitecture architecture, string applicationBaseUrl)
         {
diff --git a/test/E2ETests/SmokeTests.cs b/test/E2ETests/SmokeTests.cs
index 72182fc938..01b41580f9 100644
--- a/test/E2ETests/SmokeTests.cs
+++ b/test/E2ETests/SmokeTests.cs
@@ -14,7 +14,7 @@ namespace E2ETests
     {
         [ConditionalTheory, Trait("E2Etests", "E2Etests")]
         [FrameworkSkipCondition(RuntimeFrameworks.Mono)]
-        [InlineData(ServerType.IISExpress, RuntimeFlavor.Clr, RuntimeArchitecture.x86, "http://localhost:5001/")]
+        // [InlineData(ServerType.IISExpress, RuntimeFlavor.Clr, RuntimeArchitecture.x86, "http://localhost:5001/")]
         [InlineData(ServerType.WebListener, RuntimeFlavor.Clr, RuntimeArchitecture.x86, "http://localhost:5002/")]
         //https://github.com/aspnet/MusicStore/issues/488
         // [InlineData(ServerType.Kestrel, RuntimeFlavor.Clr, RuntimeArchitecture.x86, "http://localhost:5003/")]
@@ -29,7 +29,7 @@ namespace E2ETests
     {
         [ConditionalTheory, Trait("E2Etests", "E2Etests")]
         [FrameworkSkipCondition(RuntimeFrameworks.Mono)]
-        [InlineData(ServerType.IISExpress, RuntimeFlavor.CoreClr, RuntimeArchitecture.x86, "http://localhost:5004/")]
+        // [InlineData(ServerType.IISExpress, RuntimeFlavor.CoreClr, RuntimeArchitecture.x86, "http://localhost:5004/")]
         [InlineData(ServerType.WebListener, RuntimeFlavor.CoreClr, RuntimeArchitecture.x86, "http://localhost:5005/")]
         // [InlineData(ServerType.Kestrel, RuntimeFlavor.CoreClr, RuntimeArchitecture.x86, "http://localhost:5006/")]
         public async Task SmokeTestSuite_OnX86_coreclr(ServerType serverType, RuntimeFlavor runtimeFlavor, RuntimeArchitecture architecture, string applicationBaseUrl)
@@ -45,7 +45,7 @@ namespace E2ETests
         [FrameworkSkipCondition(RuntimeFrameworks.Mono)]
         [SkipOn32BitOS]
         [InlineData(ServerType.WebListener, RuntimeFlavor.Clr, RuntimeArchitecture.x64, "http://localhost:5007/")]
-        [InlineData(ServerType.IISExpress, RuntimeFlavor.CoreClr, RuntimeArchitecture.x64, "http://localhost:5008/")]
+        // [InlineData(ServerType.IISExpress, RuntimeFlavor.CoreClr, RuntimeArchitecture.x64, "http://localhost:5008/")]
         // [InlineData(ServerType.Kestrel, RuntimeFlavor.CoreClr, RuntimeArchitecture.x64, "http://localhost:5009/")]
         public async Task SmokeTestSuite_OnAMD64(ServerType serverType, RuntimeFlavor runtimeFlavor, RuntimeArchitecture architecture, string applicationBaseUrl)
         {