diff --git a/Mage.Common/src/mage/remote/Session.java b/Mage.Common/src/mage/remote/Session.java
index 3b1657484b..9eb5d69192 100644
--- a/Mage.Common/src/mage/remote/Session.java
+++ b/Mage.Common/src/mage/remote/Session.java
@@ -267,6 +267,7 @@ public class Session {
 	class CallbackHandler implements InvokerCallbackHandler {
 		@Override
 		public void handleCallback(Callback callback) throws HandleCallbackException {
+            logger.info("callback handler");
 			client.processCallback((ClientCallback)callback.getCallbackObject());
 		}
 	}
diff --git a/Mage.Server/src/main/java/mage/server/Session.java b/Mage.Server/src/main/java/mage/server/Session.java
index d5a72b048f..0a025f3d73 100644
--- a/Mage.Server/src/main/java/mage/server/Session.java
+++ b/Mage.Server/src/main/java/mage/server/Session.java
@@ -75,8 +75,12 @@ public class Session {
 			if (user.getHost().equals(host)) {
 				if (user.getSessionId().isEmpty())
 					logger.info("Reconnecting session for " + userName);
-				else
-					throw new MageException("This machine is already connected");
+				else {
+					//throw new MageException("This machine is already connected");
+                    //disconnect previous one
+                    logger.info("Disconnecting another user instance: " + userName);
+                    UserManager.getInstance().disconnect(user.getId());
+                }
 			}
 			else {
 				throw new MageException("User name already in use");