diff --git a/test/IISIntegration.FunctionalTests/Inprocess/TestServerTest.cs b/test/IISIntegration.FunctionalTests/Inprocess/TestServerTest.cs
index 5e78794eb1..b48611b2fa 100644
--- a/test/IISIntegration.FunctionalTests/Inprocess/TestServerTest.cs
+++ b/test/IISIntegration.FunctionalTests/Inprocess/TestServerTest.cs
@@ -21,6 +21,7 @@ namespace IISIntegration.FunctionalTests.Inprocess
         }
 
         [ConditionalFact]
+        [OSSkipCondition(OperatingSystems.Windows, WindowsVersions.Win7, "https://github.com/aspnet/IISIntegration/issues/866")]
         public async Task Test()
         {
             var helloWorld = "Hello World";