diff --git a/test/ServerComparison.FunctionalTests/HelloWorldTest.cs b/test/ServerComparison.FunctionalTests/HelloWorldTest.cs
index 6c2807fa2c..76427021bd 100644
--- a/test/ServerComparison.FunctionalTests/HelloWorldTest.cs
+++ b/test/ServerComparison.FunctionalTests/HelloWorldTest.cs
@@ -17,8 +17,8 @@ namespace ServerComparison.FunctionalTests
     {
         [ConditionalTheory]
         [OSSkipCondition(OperatingSystems.Linux | OperatingSystems.MacOSX)]
-        [InlineData(ServerType.IISExpress, RuntimeFlavor.CoreClr, RuntimeArchitecture.x86, "http://localhost:5061/")]
-        [InlineData(ServerType.IISExpress, RuntimeFlavor.Clr, RuntimeArchitecture.x64, "http://localhost:5062/")]
+        // [InlineData(ServerType.IISExpress, RuntimeFlavor.CoreClr, RuntimeArchitecture.x86, "http://localhost:5061/")]
+        // [InlineData(ServerType.IISExpress, RuntimeFlavor.Clr, RuntimeArchitecture.x64, "http://localhost:5062/")]
         [InlineData(ServerType.WebListener, RuntimeFlavor.Clr, RuntimeArchitecture.x86, "http://localhost:5063/")]
         [InlineData(ServerType.WebListener, RuntimeFlavor.CoreClr, RuntimeArchitecture.x64, "http://localhost:5064/")]
         public Task HelloWorld_Windows(ServerType serverType, RuntimeFlavor runtimeFlavor, RuntimeArchitecture architecture, string applicationBaseUrl)
diff --git a/test/ServerComparison.FunctionalTests/NtlmAuthentationTest.cs b/test/ServerComparison.FunctionalTests/NtlmAuthentationTest.cs
index 71ac3ae5a9..5bc9d3ea7e 100644
--- a/test/ServerComparison.FunctionalTests/NtlmAuthentationTest.cs
+++ b/test/ServerComparison.FunctionalTests/NtlmAuthentationTest.cs
@@ -19,8 +19,8 @@ namespace ServerComparison.FunctionalTests
     {
         [ConditionalTheory, Trait("ServerComparison.FunctionalTests", "ServerComparison.FunctionalTests")]
         [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.Clr, RuntimeArchitecture.x86, "http://localhost:5052/")]
         [InlineData(ServerType.WebListener, RuntimeFlavor.CoreClr, RuntimeArchitecture.x64, "http://localhost:5052/")]
         public async Task NtlmAuthentication(ServerType serverType, RuntimeFlavor runtimeFlavor, RuntimeArchitecture architecture, string applicationBaseUrl)
diff --git a/test/ServerComparison.FunctionalTests/ResponseTests.cs b/test/ServerComparison.FunctionalTests/ResponseTests.cs
index f35f6b7305..6f58e41255 100644
--- a/test/ServerComparison.FunctionalTests/ResponseTests.cs
+++ b/test/ServerComparison.FunctionalTests/ResponseTests.cs
@@ -20,7 +20,7 @@ namespace ServerComparison.FunctionalTests
     {
         [ConditionalTheory]
         [OSSkipCondition(OperatingSystems.Linux | OperatingSystems.MacOSX)]
-        [InlineData(ServerType.IISExpress, RuntimeFlavor.Clr, RuntimeArchitecture.x64, "http://localhost:5072/")]
+        // [InlineData(ServerType.IISExpress, RuntimeFlavor.Clr, RuntimeArchitecture.x64, "http://localhost:5072/")]
         [InlineData(ServerType.WebListener, RuntimeFlavor.Clr, RuntimeArchitecture.x86, "http://localhost:5073/")]
         public Task ResponseFormats_Windows_ContentLength(ServerType serverType, RuntimeFlavor runtimeFlavor, RuntimeArchitecture architecture, string applicationBaseUrl)
         {
@@ -36,7 +36,7 @@ namespace ServerComparison.FunctionalTests
 
         [ConditionalTheory]
         [OSSkipCondition(OperatingSystems.Linux | OperatingSystems.MacOSX)]
-        [InlineData(ServerType.IISExpress, RuntimeFlavor.CoreClr, RuntimeArchitecture.x86, "http://localhost:5071/")]
+        // [InlineData(ServerType.IISExpress, RuntimeFlavor.CoreClr, RuntimeArchitecture.x86, "http://localhost:5071/")]
         [InlineData(ServerType.WebListener, RuntimeFlavor.Clr, RuntimeArchitecture.x86, "http://localhost:5073/")]
         public Task ResponseFormats_Windows_ConnectionClose(ServerType serverType, RuntimeFlavor runtimeFlavor, RuntimeArchitecture architecture, string applicationBaseUrl)
         {
@@ -52,7 +52,7 @@ namespace ServerComparison.FunctionalTests
 
         [ConditionalTheory]
         [OSSkipCondition(OperatingSystems.Linux | OperatingSystems.MacOSX)]
-        [InlineData(ServerType.IISExpress, RuntimeFlavor.Clr, RuntimeArchitecture.x64, "http://localhost:5072/")]
+        // [InlineData(ServerType.IISExpress, RuntimeFlavor.Clr, RuntimeArchitecture.x64, "http://localhost:5072/")]
         [InlineData(ServerType.WebListener, RuntimeFlavor.Clr, RuntimeArchitecture.x86, "http://localhost:5073/")]
         public Task ResponseFormats_Windows_Chunked(ServerType serverType, RuntimeFlavor runtimeFlavor, RuntimeArchitecture architecture, string applicationBaseUrl)
         {
@@ -68,7 +68,7 @@ namespace ServerComparison.FunctionalTests
 
         [ConditionalTheory]
         [OSSkipCondition(OperatingSystems.Linux | OperatingSystems.MacOSX)]
-        [InlineData(ServerType.IISExpress, RuntimeFlavor.Clr, RuntimeArchitecture.x64, "http://localhost:5072/")]
+        // [InlineData(ServerType.IISExpress, RuntimeFlavor.Clr, RuntimeArchitecture.x64, "http://localhost:5072/")]
         [InlineData(ServerType.WebListener, RuntimeFlavor.Clr, RuntimeArchitecture.x86, "http://localhost:5073/")]
         public Task ResponseFormats_Windows_ManuallyChunk(ServerType serverType, RuntimeFlavor runtimeFlavor, RuntimeArchitecture architecture, string applicationBaseUrl)
         {
@@ -84,7 +84,7 @@ namespace ServerComparison.FunctionalTests
 
         [ConditionalTheory]
         [OSSkipCondition(OperatingSystems.Linux | OperatingSystems.MacOSX)]
-        [InlineData(ServerType.IISExpress, RuntimeFlavor.Clr, RuntimeArchitecture.x64, "http://localhost:5076/")]
+        // [InlineData(ServerType.IISExpress, RuntimeFlavor.Clr, RuntimeArchitecture.x64, "http://localhost:5076/")]
         [InlineData(ServerType.WebListener, RuntimeFlavor.Clr, RuntimeArchitecture.x86, "http://localhost:5077/")]
         public Task ResponseFormats_Windows_ManuallyChunkAndClose(ServerType serverType, RuntimeFlavor runtimeFlavor, RuntimeArchitecture architecture, string applicationBaseUrl)
         {