diff --git a/src/Servers/IIS/IIS/test/Common.FunctionalTests/AppOfflineTests.cs b/src/Servers/IIS/IIS/test/Common.FunctionalTests/AppOfflineTests.cs
index 4c40a1f790..8cddfd897f 100644
--- a/src/Servers/IIS/IIS/test/Common.FunctionalTests/AppOfflineTests.cs
+++ b/src/Servers/IIS/IIS/test/Common.FunctionalTests/AppOfflineTests.cs
@@ -98,7 +98,7 @@ namespace Microsoft.AspNetCore.Server.IIS.FunctionalTests
             await deploymentResult.AssertRecycledAsync(() => AssertAppOffline(deploymentResult));
         }
 
-        [ConditionalFact]
+        [ConditionalFact(Skip = "https://github.com/aspnet/AspNetCore/issues/6555")]
         [RequiresIIS(IISCapability.ShutdownToken)]
         public async Task AppOfflineDroppedWhileSiteStarting_SiteShutsDown_InProcess()
         {