diff --git a/src/Microsoft.AspNet.Server.Testing/Deployers/ApplicationDeployer.cs b/src/Microsoft.AspNet.Server.Testing/Deployers/ApplicationDeployer.cs
index a5505c169c..27c1ff131c 100644
--- a/src/Microsoft.AspNet.Server.Testing/Deployers/ApplicationDeployer.cs
+++ b/src/Microsoft.AspNet.Server.Testing/Deployers/ApplicationDeployer.cs
@@ -78,11 +78,12 @@ namespace Microsoft.AspNet.Server.Testing
                     DeploymentParameters.DnxRuntime,
                     DeploymentParameters.PublishWithNoSource ? "--no-source" : string.Empty);
 
-            Logger.LogInformation("Executing command dnu {args}", parameters);
+            var dnuPath = Path.Combine(ChosenRuntimePath, "dnu.cmd");
+            Logger.LogInformation("Executing command {dnu} {args}", dnuPath, parameters);
 
             var startInfo = new ProcessStartInfo
             {
-                FileName = Path.Combine(ChosenRuntimePath, "dnu.cmd"),
+                FileName = dnuPath,
                 Arguments = parameters,
                 UseShellExecute = false,
                 CreateNoWindow = true
@@ -91,6 +92,11 @@ namespace Microsoft.AspNet.Server.Testing
             var hostProcess = Process.Start(startInfo);
             hostProcess.WaitForExit(60 * 1000);
 
+            if (hostProcess.ExitCode != 0)
+            {
+                throw new Exception("dnu publish exited with exit code : {0}");
+            }
+
             DeploymentParameters.ApplicationPath =
                 (DeploymentParameters.ServerType == ServerType.IISExpress ||
                 DeploymentParameters.ServerType == ServerType.IISNativeModule ||
diff --git a/src/Microsoft.AspNet.Server.Testing/Deployers/SelfHostDeployer.cs b/src/Microsoft.AspNet.Server.Testing/Deployers/SelfHostDeployer.cs
index 12252c8829..246e0ee3a6 100644
--- a/src/Microsoft.AspNet.Server.Testing/Deployers/SelfHostDeployer.cs
+++ b/src/Microsoft.AspNet.Server.Testing/Deployers/SelfHostDeployer.cs
@@ -48,11 +48,14 @@ namespace Microsoft.AspNet.Server.Testing
         private CancellationToken StartSelfHost()
         {
             var commandName = DeploymentParameters.ServerType == ServerType.WebListener ? "web" : "kestrel";
-            Logger.LogInformation("Executing dnx.exe {appPath} {command} --server.urls {url}", DeploymentParameters.ApplicationPath, commandName, DeploymentParameters.ApplicationBaseUriHint);
+            var dnxPath = Path.Combine(ChosenRuntimePath, "dnx.exe");
+            Logger.LogInformation("Executing {dnxexe} {appPath} {command} --server.urls {url}",
+                dnxPath, DeploymentParameters.ApplicationPath,
+                commandName, DeploymentParameters.ApplicationBaseUriHint);
 
             var startInfo = new ProcessStartInfo
             {
-                FileName = Path.Combine(ChosenRuntimePath, "dnx.exe"),
+                FileName = dnxPath,
                 Arguments = string.Format("\"{0}\" {1} --server.urls {2}", DeploymentParameters.ApplicationPath, commandName, DeploymentParameters.ApplicationBaseUriHint),
                 UseShellExecute = false,
                 CreateNoWindow = true