diff --git a/samples/MicroserviceDemo/applications/AuthServer.Host/AuthServerHostModule.cs b/samples/MicroserviceDemo/applications/AuthServer.Host/AuthServerHostModule.cs
index d147a49254..56d6c4900c 100644
--- a/samples/MicroserviceDemo/applications/AuthServer.Host/AuthServerHostModule.cs
+++ b/samples/MicroserviceDemo/applications/AuthServer.Host/AuthServerHostModule.cs
@@ -70,6 +70,7 @@ namespace AuthServer.Host
                 options.ApplicationName = "AuthServer";
             });
 
+            //TODO: ConnectionMultiplexer.Connect call has problem since redis may not be ready when this service has started!
             var redis = ConnectionMultiplexer.Connect(configuration["Redis:Configuration"]);
             context.Services.AddDataProtection()
                 .PersistKeysToStackExchangeRedis(redis, "MsDemo-DataProtection-Keys");