diff --git a/akka-actor-tests/src/test/scala/akka/io/CapacityLimitSpec.scala b/akka-actor-tests/src/test/scala/akka/io/CapacityLimitSpec.scala
index ad5b6a208b..22aad8ae09 100644
--- a/akka-actor-tests/src/test/scala/akka/io/CapacityLimitSpec.scala
+++ b/akka-actor-tests/src/test/scala/akka/io/CapacityLimitSpec.scala
@@ -22,7 +22,7 @@ class CapacityLimitSpec extends AkkaSpec("akka.loglevel = ERROR\nakka.io.tcp.max
       val commander = TestProbe()
       val addresses = temporaryServerAddresses(2)
       commander.send(IO(Tcp), Bind(bindHandler.ref, addresses(0)))
-      commander.expectMsg(Bound)
+      commander.expectMsg(Bound(addresses(0)))
 
       // we are now at the configured max-channel capacity of 4
 
diff --git a/akka-actor-tests/src/test/scala/akka/io/TcpConnectionSpec.scala b/akka-actor-tests/src/test/scala/akka/io/TcpConnectionSpec.scala
index f6029d4cc4..83974579f9 100644
--- a/akka-actor-tests/src/test/scala/akka/io/TcpConnectionSpec.scala
+++ b/akka-actor-tests/src/test/scala/akka/io/TcpConnectionSpec.scala
@@ -456,8 +456,9 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
       assertThisConnectionActorTerminated()
     }
 
-    // This tets is disabled on windows, as the assumption that not calling accept on a server socket means that
+    // This test is disabled on windows, as the assumption that not calling accept on a server socket means that
     // no TCP level connection has been established with the client does not hold.
+    // RK: I think Windows is no different than any other OS in this regard, there was just a sleep() missing.
     "report failed connection attempt while not accepted" in withUnacceptedConnection() { setup ⇒
       import setup._
       ignoreIfWindows
@@ -465,6 +466,9 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
       // close instead of accept
       localServer.close()
 
+      // must give the OS some time to send RST from server to client
+      Thread.sleep(100)
+
       EventFilter[SocketException](occurrences = 1) intercept {
         selector.send(connectionActor, ChannelConnectable)
         userHandler.expectMsg(CommandFailed(Connect(serverAddress)))
@@ -679,6 +683,7 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
       val userHandler = TestProbe()
       val selector = TestProbe()
       val connectionActor = connectionActorCons(selector.ref, userHandler.ref)
+      // calling .underlyingActor ensures that the actor is actually created at this point
       val clientSideChannel = connectionActor.underlyingActor.channel
 
       selector.expectMsg(RegisterChannel(clientSideChannel, OP_CONNECT))
diff --git a/akka-actor-tests/src/test/scala/akka/io/TcpIntegrationSpecSupport.scala b/akka-actor-tests/src/test/scala/akka/io/TcpIntegrationSpecSupport.scala
index 358b1d614a..bc1c3efa30 100644
--- a/akka-actor-tests/src/test/scala/akka/io/TcpIntegrationSpecSupport.scala
+++ b/akka-actor-tests/src/test/scala/akka/io/TcpIntegrationSpecSupport.scala
@@ -24,7 +24,7 @@ trait TcpIntegrationSpecSupport { _: AkkaSpec ⇒
     def bindServer(): Unit = {
       val bindCommander = TestProbe()
       bindCommander.send(IO(Tcp), Bind(bindHandler.ref, endpoint, options = bindOptions))
-      bindCommander.expectMsg(Bound)
+      bindCommander.expectMsg(Bound(endpoint))
     }
 
     def establishNewClientConnection(): (TestProbe, ActorRef, TestProbe, ActorRef) = {
diff --git a/akka-actor-tests/src/test/scala/akka/io/TcpListenerSpec.scala b/akka-actor-tests/src/test/scala/akka/io/TcpListenerSpec.scala
index 2504d48d7f..6bb12241b8 100644
--- a/akka-actor-tests/src/test/scala/akka/io/TcpListenerSpec.scala
+++ b/akka-actor-tests/src/test/scala/akka/io/TcpListenerSpec.scala
@@ -23,7 +23,7 @@ class TcpListenerSpec extends AkkaSpec("akka.io.tcp.batch-accept-limit = 2") {
 
     "let the Bind commander know when binding is completed" in new TestSetup {
       listener ! ChannelRegistered
-      bindCommander.expectMsg(Bound)
+      bindCommander.expectMsgType[Bound]
     }
 
     "accept acceptable connections and register them with its parent" in new TestSetup {
@@ -102,7 +102,7 @@ class TcpListenerSpec extends AkkaSpec("akka.io.tcp.batch-accept-limit = 2") {
 
     def bindListener() {
       listener ! ChannelRegistered
-      bindCommander.expectMsg(Bound)
+      bindCommander.expectMsgType[Bound]
     }
 
     def attemptConnectionToEndpoint(): Unit = new Socket(endpoint.getHostName, endpoint.getPort)
diff --git a/akka-actor-tests/src/test/scala/akka/io/UdpConnectedIntegrationSpec.scala b/akka-actor-tests/src/test/scala/akka/io/UdpConnectedIntegrationSpec.scala
index aa1e871d00..04f973ed16 100644
--- a/akka-actor-tests/src/test/scala/akka/io/UdpConnectedIntegrationSpec.scala
+++ b/akka-actor-tests/src/test/scala/akka/io/UdpConnectedIntegrationSpec.scala
@@ -17,7 +17,7 @@ class UdpConnectedIntegrationSpec extends AkkaSpec("akka.loglevel = INFO") with
   def bindUdp(address: InetSocketAddress, handler: ActorRef): ActorRef = {
     val commander = TestProbe()
     commander.send(IO(Udp), Udp.Bind(handler, address))
-    commander.expectMsg(Udp.Bound)
+    commander.expectMsg(Udp.Bound(address))
     commander.sender
   }
 
diff --git a/akka-actor-tests/src/test/scala/akka/io/UdpIntegrationSpec.scala b/akka-actor-tests/src/test/scala/akka/io/UdpIntegrationSpec.scala
index 6dba329661..080cc8fbad 100644
--- a/akka-actor-tests/src/test/scala/akka/io/UdpIntegrationSpec.scala
+++ b/akka-actor-tests/src/test/scala/akka/io/UdpIntegrationSpec.scala
@@ -17,7 +17,7 @@ class UdpIntegrationSpec extends AkkaSpec("akka.loglevel = INFO") with ImplicitS
   def bindUdp(address: InetSocketAddress, handler: ActorRef): ActorRef = {
     val commander = TestProbe()
     commander.send(IO(Udp), Bind(handler, address))
-    commander.expectMsg(Bound)
+    commander.expectMsg(Bound(address))
     commander.sender
   }
 
diff --git a/akka-actor/src/main/scala/akka/io/Tcp.scala b/akka-actor/src/main/scala/akka/io/Tcp.scala
index b1a9bb62f2..52cc39358d 100644
--- a/akka-actor/src/main/scala/akka/io/Tcp.scala
+++ b/akka-actor/src/main/scala/akka/io/Tcp.scala
@@ -117,8 +117,7 @@ object Tcp extends ExtensionKey[TcpExt] {
   case class Connected(remoteAddress: InetSocketAddress, localAddress: InetSocketAddress) extends Event
   case class CommandFailed(cmd: Command) extends Event
 
-  sealed trait Bound extends Event
-  case object Bound extends Bound
+  case class Bound(localAddress: InetSocketAddress) extends Event
   sealed trait Unbound extends Event
   case object Unbound extends Unbound
 
diff --git a/akka-actor/src/main/scala/akka/io/TcpListener.scala b/akka-actor/src/main/scala/akka/io/TcpListener.scala
index 30baaa4c06..9036d190f3 100644
--- a/akka-actor/src/main/scala/akka/io/TcpListener.scala
+++ b/akka-actor/src/main/scala/akka/io/TcpListener.scala
@@ -11,6 +11,7 @@ import akka.actor.{ Props, ActorLogging, ActorRef, Actor }
 import akka.io.SelectionHandler._
 import akka.io.Tcp._
 import akka.io.IO.HasFailureMessage
+import java.net.InetSocketAddress
 
 /**
  * INTERNAL API
@@ -42,8 +43,11 @@ private[io] class TcpListener(val selectorRouter: ActorRef,
     serverSocketChannel.configureBlocking(false)
     val socket = serverSocketChannel.socket
     options.foreach(_.beforeServerSocketBind(socket))
-    try socket.bind(endpoint, backlog)
-    catch {
+    try {
+      socket.bind(endpoint, backlog)
+      require(socket.getLocalSocketAddress.isInstanceOf[InetSocketAddress],
+        s"bound to unknown SocketAddress [${socket.getLocalSocketAddress}]")
+    } catch {
       case NonFatal(e) ⇒
         bindCommander ! bind.failureMessage
         log.error(e, "Bind failed for TCP channel on endpoint [{}]", endpoint)
@@ -58,7 +62,7 @@ private[io] class TcpListener(val selectorRouter: ActorRef,
 
   def receive: Receive = {
     case ChannelRegistered ⇒
-      bindCommander ! Bound
+      bindCommander ! Bound(channel.socket.getLocalSocketAddress.asInstanceOf[InetSocketAddress])
       context.become(bound)
   }
 
diff --git a/akka-actor/src/main/scala/akka/io/Udp.scala b/akka-actor/src/main/scala/akka/io/Udp.scala
index 11c3402ed4..d6c6e0589a 100644
--- a/akka-actor/src/main/scala/akka/io/Udp.scala
+++ b/akka-actor/src/main/scala/akka/io/Udp.scala
@@ -54,8 +54,7 @@ object Udp extends ExtensionKey[UdpExt] {
   case class Received(data: ByteString, sender: InetSocketAddress) extends Event
   case class CommandFailed(cmd: Command) extends Event
 
-  sealed trait Bound extends Event
-  case object Bound extends Bound
+  case class Bound(localAddress: InetSocketAddress) extends Event
 
   sealed trait SimpleSendReady extends Event
   case object SimpleSendReady extends SimpleSendReady
diff --git a/akka-actor/src/main/scala/akka/io/UdpListener.scala b/akka-actor/src/main/scala/akka/io/UdpListener.scala
index 827903a6d3..570d0af209 100644
--- a/akka-actor/src/main/scala/akka/io/UdpListener.scala
+++ b/akka-actor/src/main/scala/akka/io/UdpListener.scala
@@ -34,8 +34,11 @@ private[io] class UdpListener(val udp: UdpExt,
     datagramChannel.configureBlocking(false)
     val socket = datagramChannel.socket
     options.foreach(_.beforeDatagramBind(socket))
-    try socket.bind(endpoint)
-    catch {
+    try {
+      socket.bind(endpoint)
+      require(socket.getLocalSocketAddress.isInstanceOf[InetSocketAddress],
+        s"bound to unknown SocketAddress [${socket.getLocalSocketAddress}]")
+    } catch {
       case NonFatal(e) ⇒
         bindCommander ! CommandFailed(bind)
         log.error(e, "Failed to bind UDP channel to endpoint [{}]", endpoint)
@@ -48,7 +51,7 @@ private[io] class UdpListener(val udp: UdpExt,
 
   def receive: Receive = {
     case ChannelRegistered ⇒
-      bindCommander ! Bound
+      bindCommander ! Bound(channel.socket.getLocalSocketAddress.asInstanceOf[InetSocketAddress])
       context.become(readHandlers orElse sendHandlers, discardOld = true)
   }