diff --git a/src/Servers/IIS/IntegrationTesting.IIS/src/IISExpressDeployer.cs b/src/Servers/IIS/IntegrationTesting.IIS/src/IISExpressDeployer.cs
index b08ba18738..acac067a25 100644
--- a/src/Servers/IIS/IntegrationTesting.IIS/src/IISExpressDeployer.cs
+++ b/src/Servers/IIS/IntegrationTesting.IIS/src/IISExpressDeployer.cs
@@ -94,10 +94,9 @@ namespace Microsoft.AspNetCore.Server.IntegrationTesting.IIS
 
                 RunWebConfigActions(contentRoot);
 
-                var testUri = TestUriHelper.BuildTestUri(ServerType.IISExpress, DeploymentParameters.ApplicationBaseUriHint);
 
                 // Launch the host process.
-                var (actualUri, hostExitToken) = await StartIISExpressAsync(testUri, contentRoot);
+                var (actualUri, hostExitToken) = await StartIISExpressAsync(contentRoot);
 
                 Logger.LogInformation("Application ready at URL: {appUrl}", actualUri);
 
@@ -152,27 +151,28 @@ namespace Microsoft.AspNetCore.Server.IntegrationTesting.IIS
             return dllRoot;
         }
 
-        private async Task<(Uri url, CancellationToken hostExitToken)> StartIISExpressAsync(Uri uri, string contentRoot)
+        private async Task<(Uri url, CancellationToken hostExitToken)> StartIISExpressAsync(string contentRoot)
         {
             using (Logger.BeginScope("StartIISExpress"))
             {
-                var port = uri.Port;
-                if (port == 0)
-                {
-                    port = (uri.Scheme == "https") ? TestPortHelper.GetNextSSLPort() : TestPortHelper.GetNextPort();
-                }
-
-                Logger.LogInformation("Attempting to start IIS Express on port: {port}", port);
-                PrepareConfig(contentRoot, port);
-
-                var parameters = string.IsNullOrEmpty(DeploymentParameters.ServerConfigLocation) ?
-                                string.Format("/port:{0} /path:\"{1}\" /trace:error /systray:false", uri.Port, contentRoot) :
-                                string.Format("/site:{0} /config:{1} /trace:error /systray:false", DeploymentParameters.SiteName, DeploymentParameters.ServerConfigLocation);
-
                 var iisExpressPath = GetIISExpressPath();
 
                 for (var attempt = 0; attempt < MaximumAttempts; attempt++)
                 {
+                    var uri = TestUriHelper.BuildTestUri(ServerType.IISExpress, DeploymentParameters.ApplicationBaseUriHint);
+                    var port = uri.Port;
+                    if (port == 0)
+                    {
+                        port = (uri.Scheme == "https") ? TestPortHelper.GetNextSSLPort() : TestPortHelper.GetNextPort();
+                    }
+
+                    Logger.LogInformation("Attempting to start IIS Express on port: {port}", port);
+                    PrepareConfig(contentRoot, port);
+
+                    var parameters = string.IsNullOrEmpty(DeploymentParameters.ServerConfigLocation) ?
+                                    string.Format("/port:{0} /path:\"{1}\" /trace:error /systray:false", uri.Port, contentRoot) :
+                                    string.Format("/site:{0} /config:{1} /trace:error /systray:false", DeploymentParameters.SiteName, DeploymentParameters.ServerConfigLocation);
+
                     Logger.LogInformation("Executing command : {iisExpress} {parameters}", iisExpressPath, parameters);
 
                     var startInfo = new ProcessStartInfo
@@ -264,8 +264,6 @@ namespace Microsoft.AspNetCore.Server.IntegrationTesting.IIS
                         Logger.LogInformation("Started iisexpress successfully. Process Id : {processId}, Port: {port}", _hostProcess.Id, port);
                         return (url: url, hostExitToken: hostExitTokenSource.Token);
                     }
-
-                    ChangePort(contentRoot, (uri.Scheme == "https") ? TestPortHelper.GetNextSSLPort() : TestPortHelper.GetNextPort());
                 }
 
                 var message = $"Failed to initialize IIS Express after {MaximumAttempts} attempts to select a port";
@@ -315,14 +313,6 @@ namespace Microsoft.AspNetCore.Server.IntegrationTesting.IIS
             File.WriteAllText(DeploymentParameters.ServerConfigLocation, serverConfig);
         }
 
-        private void ChangePort(string contentRoot, int port)
-        {
-            var serverConfig = File.ReadAllText(DeploymentParameters.ServerConfigLocation);
-            XDocument config = XDocument.Parse(serverConfig);
-            ConfigureModuleAndBinding(config.Root, contentRoot, port);
-            File.WriteAllText(DeploymentParameters.ServerConfigLocation, serverConfig);
-        }
-
         private void AddAspNetCoreElement(XElement config)
         {
             var aspNetCore = config