diff --git a/samples/SampleApp/Program.cs b/samples/SampleApp/Program.cs
index b32fd7577a..9e1e66cd02 100644
--- a/samples/SampleApp/Program.cs
+++ b/samples/SampleApp/Program.cs
@@ -1,4 +1,7 @@
-using System;
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System;
 
 namespace SampleApp
 {
diff --git a/samples/SampleApp/Startup.cs b/samples/SampleApp/Startup.cs
index 816ab79f3c..5f81cbefcc 100644
--- a/samples/SampleApp/Startup.cs
+++ b/samples/SampleApp/Startup.cs
@@ -1,4 +1,7 @@
-using System;
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System;
 using Microsoft.AspNet.Builder;
 using Microsoft.AspNet.Http;
 
diff --git a/src/Kestrel/Program.cs b/src/Kestrel/Program.cs
index 7f877d9002..220cf1eed3 100644
--- a/src/Kestrel/Program.cs
+++ b/src/Kestrel/Program.cs
@@ -1,4 +1,7 @@
-using System;
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System;
 using System.Linq;
 
 namespace Kestrel
diff --git a/src/Kestrel/ServerAddress.cs b/src/Kestrel/ServerAddress.cs
index d5eac3be2b..b957b62791 100644
--- a/src/Kestrel/ServerAddress.cs
+++ b/src/Kestrel/ServerAddress.cs
@@ -1,4 +1,7 @@
-namespace Kestrel
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+namespace Kestrel
 {
     public class ServerAddress
     {
diff --git a/src/Microsoft.AspNet.Server.Kestrel/Http/ConnectionContext.cs b/src/Microsoft.AspNet.Server.Kestrel/Http/ConnectionContext.cs
index cedfc63aeb..85ac78591b 100644
--- a/src/Microsoft.AspNet.Server.Kestrel/Http/ConnectionContext.cs
+++ b/src/Microsoft.AspNet.Server.Kestrel/Http/ConnectionContext.cs
@@ -1,3 +1,6 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
 namespace Microsoft.AspNet.Server.Kestrel.Http
 {
     public class ConnectionContext : ListenerContext
diff --git a/src/Microsoft.AspNet.Server.Kestrel/Http/FrameContext.cs b/src/Microsoft.AspNet.Server.Kestrel/Http/FrameContext.cs
index dedcb1b41f..f18efc6658 100644
--- a/src/Microsoft.AspNet.Server.Kestrel/Http/FrameContext.cs
+++ b/src/Microsoft.AspNet.Server.Kestrel/Http/FrameContext.cs
@@ -1,3 +1,6 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
 namespace Microsoft.AspNet.Server.Kestrel.Http
 {
     public class FrameContext : ConnectionContext
diff --git a/src/Microsoft.AspNet.Server.Kestrel/Http/IConnectionControl.cs b/src/Microsoft.AspNet.Server.Kestrel/Http/IConnectionControl.cs
index f0be1f74d6..c6e2f7ec04 100644
--- a/src/Microsoft.AspNet.Server.Kestrel/Http/IConnectionControl.cs
+++ b/src/Microsoft.AspNet.Server.Kestrel/Http/IConnectionControl.cs
@@ -1,3 +1,6 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
 namespace Microsoft.AspNet.Server.Kestrel.Http
 {
     public interface IConnectionControl
diff --git a/src/Microsoft.AspNet.Server.Kestrel/Http/IFrameControl.cs b/src/Microsoft.AspNet.Server.Kestrel/Http/IFrameControl.cs
index 3dfab0893a..77240740e6 100644
--- a/src/Microsoft.AspNet.Server.Kestrel/Http/IFrameControl.cs
+++ b/src/Microsoft.AspNet.Server.Kestrel/Http/IFrameControl.cs
@@ -1,3 +1,6 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
 using System;
 
 namespace Microsoft.AspNet.Server.Kestrel.Http
diff --git a/src/Microsoft.AspNet.Server.Kestrel/Http/IMemoryPool.cs b/src/Microsoft.AspNet.Server.Kestrel/Http/IMemoryPool.cs
index 6e28b4529f..82dcc7a218 100644
--- a/src/Microsoft.AspNet.Server.Kestrel/Http/IMemoryPool.cs
+++ b/src/Microsoft.AspNet.Server.Kestrel/Http/IMemoryPool.cs
@@ -1,3 +1,6 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
 using System;
 
 namespace Microsoft.AspNet.Server.Kestrel.Http
diff --git a/src/Microsoft.AspNet.Server.Kestrel/Http/ISocketOutput.cs b/src/Microsoft.AspNet.Server.Kestrel/Http/ISocketOutput.cs
index 43dd4fb4b2..52f11f62ac 100644
--- a/src/Microsoft.AspNet.Server.Kestrel/Http/ISocketOutput.cs
+++ b/src/Microsoft.AspNet.Server.Kestrel/Http/ISocketOutput.cs
@@ -1,3 +1,6 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
 using System;
 
 namespace Microsoft.AspNet.Server.Kestrel.Http
diff --git a/src/Microsoft.AspNet.Server.Kestrel/Http/ListenerContext.cs b/src/Microsoft.AspNet.Server.Kestrel/Http/ListenerContext.cs
index a2a4283a46..4285f59311 100644
--- a/src/Microsoft.AspNet.Server.Kestrel/Http/ListenerContext.cs
+++ b/src/Microsoft.AspNet.Server.Kestrel/Http/ListenerContext.cs
@@ -1,3 +1,6 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
 using System;
 using System.Threading.Tasks;
 
diff --git a/src/Microsoft.AspNet.Server.Kestrel/Http/ProduceEndType.cs b/src/Microsoft.AspNet.Server.Kestrel/Http/ProduceEndType.cs
index 31ea4754cf..4df5ed4e48 100644
--- a/src/Microsoft.AspNet.Server.Kestrel/Http/ProduceEndType.cs
+++ b/src/Microsoft.AspNet.Server.Kestrel/Http/ProduceEndType.cs
@@ -1,3 +1,6 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
 namespace Microsoft.AspNet.Server.Kestrel.Http
 {
     public enum ProduceEndType
diff --git a/src/Microsoft.AspNet.Server.Kestrel/Infrastructure/KestrelTrace.cs b/src/Microsoft.AspNet.Server.Kestrel/Infrastructure/KestrelTrace.cs
index 6aa018b6bf..53a1cb73e3 100644
--- a/src/Microsoft.AspNet.Server.Kestrel/Infrastructure/KestrelTrace.cs
+++ b/src/Microsoft.AspNet.Server.Kestrel/Infrastructure/KestrelTrace.cs
@@ -1,4 +1,6 @@
-using System;
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
 //using System.Diagnostics.Tracing;
 
 namespace Microsoft.AspNet.Server.Kestrel
diff --git a/src/Microsoft.AspNet.Server.Kestrel/Networking/UvWriteReq.cs b/src/Microsoft.AspNet.Server.Kestrel/Networking/UvWriteReq.cs
index 3e88312805..6539d5574f 100644
--- a/src/Microsoft.AspNet.Server.Kestrel/Networking/UvWriteReq.cs
+++ b/src/Microsoft.AspNet.Server.Kestrel/Networking/UvWriteReq.cs
@@ -1,3 +1,6 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
diff --git a/test/Microsoft.AspNet.Server.KestrelTests/EngineTests.cs b/test/Microsoft.AspNet.Server.KestrelTests/EngineTests.cs
index f3bc95c1af..fd9960c819 100644
--- a/test/Microsoft.AspNet.Server.KestrelTests/EngineTests.cs
+++ b/test/Microsoft.AspNet.Server.KestrelTests/EngineTests.cs
@@ -1,4 +1,7 @@
-using Microsoft.AspNet.Server.Kestrel;
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using Microsoft.AspNet.Server.Kestrel;
 using Microsoft.AspNet.Server.Kestrel.Http;
 using Microsoft.Framework.Runtime;
 using Microsoft.Framework.Runtime.Infrastructure;
diff --git a/test/Microsoft.AspNet.Server.KestrelTests/MessageBodyExchangerTests.cs b/test/Microsoft.AspNet.Server.KestrelTests/MessageBodyExchangerTests.cs
index b8606ef8dd..8e7612de3f 100644
--- a/test/Microsoft.AspNet.Server.KestrelTests/MessageBodyExchangerTests.cs
+++ b/test/Microsoft.AspNet.Server.KestrelTests/MessageBodyExchangerTests.cs
@@ -1,4 +1,6 @@
-using Microsoft.AspNet.Server.Kestrel;
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
 using Microsoft.AspNet.Server.Kestrel.Http;
 using System;
 using System.Threading.Tasks;
diff --git a/test/Microsoft.AspNet.Server.KestrelTests/MessageBodyTests.cs b/test/Microsoft.AspNet.Server.KestrelTests/MessageBodyTests.cs
index a8be2d3420..5a66846619 100644
--- a/test/Microsoft.AspNet.Server.KestrelTests/MessageBodyTests.cs
+++ b/test/Microsoft.AspNet.Server.KestrelTests/MessageBodyTests.cs
@@ -1,8 +1,10 @@
-using Microsoft.AspNet.Server.Kestrel.Http;
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using Microsoft.AspNet.Server.Kestrel.Http;
 using System;
 using System.Collections.Generic;
 using System.Text;
-using System.Threading;
 using System.Threading.Tasks;
 using Xunit;
 
diff --git a/test/Microsoft.AspNet.Server.KestrelTests/Program.cs b/test/Microsoft.AspNet.Server.KestrelTests/Program.cs
index 9e36b9f8c2..adcc2288c5 100644
--- a/test/Microsoft.AspNet.Server.KestrelTests/Program.cs
+++ b/test/Microsoft.AspNet.Server.KestrelTests/Program.cs
@@ -1,4 +1,5 @@
-using System;
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 namespace Microsoft.AspNet.Server.KestrelTests
 {
diff --git a/test/Microsoft.AspNet.Server.KestrelTests/TestConnection.cs b/test/Microsoft.AspNet.Server.KestrelTests/TestConnection.cs
index be079ad17f..085589beb0 100644
--- a/test/Microsoft.AspNet.Server.KestrelTests/TestConnection.cs
+++ b/test/Microsoft.AspNet.Server.KestrelTests/TestConnection.cs
@@ -1,4 +1,7 @@
-using System;
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System;
 using System.Diagnostics;
 using System.IO;
 using System.Net;
diff --git a/test/Microsoft.AspNet.Server.KestrelTests/TestInput.cs b/test/Microsoft.AspNet.Server.KestrelTests/TestInput.cs
index a9448ac942..1676a92044 100644
--- a/test/Microsoft.AspNet.Server.KestrelTests/TestInput.cs
+++ b/test/Microsoft.AspNet.Server.KestrelTests/TestInput.cs
@@ -1,4 +1,7 @@
-using System;
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System;
 using Microsoft.AspNet.Server.Kestrel.Http;
 
 namespace Microsoft.AspNet.Server.KestrelTests
diff --git a/test/Microsoft.AspNet.Server.KestrelTests/TestServer.cs b/test/Microsoft.AspNet.Server.KestrelTests/TestServer.cs
index 0e2c9f3d33..e2de4d29b0 100644
--- a/test/Microsoft.AspNet.Server.KestrelTests/TestServer.cs
+++ b/test/Microsoft.AspNet.Server.KestrelTests/TestServer.cs
@@ -1,4 +1,7 @@
-using Microsoft.AspNet.Server.Kestrel;
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using Microsoft.AspNet.Server.Kestrel;
 using Microsoft.AspNet.Server.Kestrel.Http;
 using Microsoft.Framework.Runtime;
 using Microsoft.Framework.Runtime.Infrastructure;