diff --git a/app/src/main/java/it/integry/integrywmsnative/core/rest/watcher/ServerStatusChecker.java b/app/src/main/java/it/integry/integrywmsnative/core/rest/watcher/ServerStatusChecker.java
index 9f0071ab..3d0e2921 100644
--- a/app/src/main/java/it/integry/integrywmsnative/core/rest/watcher/ServerStatusChecker.java
+++ b/app/src/main/java/it/integry/integrywmsnative/core/rest/watcher/ServerStatusChecker.java
@@ -30,23 +30,27 @@ public class ServerStatusChecker {
     private Runnable runnableCode = new Runnable() {
         @Override
         public void run() {
-            if(shouldExecute && !UtilityString.isNullOrEmpty(SettingsManager.i().getServer().getHost())) {
-                UtilityServer.isEmsApiAvailable(SettingsManager.i().getServer().getHost(), SettingsManager.i().getServer().getPort(), mInternalCallback);
+            if (shouldExecute && !UtilityString.isNullOrEmpty(SettingsManager.i().getServer().getHost())) {
+                UtilityServer.isEmsApiAvailable(
+                        SettingsManager.i().getServer().getHost(),
+                        SettingsManager.i().getServer().getPort(),
+                        () -> mInternalCallback.run(true),
+                        ex -> mInternalCallback.run(false));
                 handler.postDelayed(this, MILLIS_DELAY);
             }
         }
     };
 
-    public void addCallback(RunnableArgs<Boolean> callback){
+    public void addCallback(RunnableArgs<Boolean> callback) {
         this.mCallback.add(callback);
     }
 
-    public void removeCallback(RunnableArgs<Boolean> callback){
+    public void removeCallback(RunnableArgs<Boolean> callback) {
         this.mCallback.remove(callback);
     }
 
 
-    public static void init(){
+    public static void init() {
         instance.shouldExecute = true;
 
         instance.handler.post(instance.runnableCode);
diff --git a/app/src/main/java/it/integry/integrywmsnative/core/utility/UtilityServer.java b/app/src/main/java/it/integry/integrywmsnative/core/utility/UtilityServer.java
index b4a05b39..f33d3c58 100644
--- a/app/src/main/java/it/integry/integrywmsnative/core/utility/UtilityServer.java
+++ b/app/src/main/java/it/integry/integrywmsnative/core/utility/UtilityServer.java
@@ -6,13 +6,14 @@ import java.net.Socket;
 import java.net.SocketAddress;
 
 import it.integry.integrywmsnative.core.expansion.RunnableArgs;
+import it.integry.integrywmsnative.gest.login.exception.ServerNotReachableException;
 import okhttp3.OkHttpClient;
 import okhttp3.Request;
 import okhttp3.Response;
 
 public class UtilityServer {
 
-    public static void isHostReachable(final String serverAddress, final int serverTCPport, final RunnableArgs<Boolean> callback){
+    public static void isHostReachable(final String serverAddress, final int serverTCPport, final RunnableArgs<Boolean> callback) {
         new Thread(() -> {
 
             boolean connected = false;
@@ -36,7 +37,7 @@ public class UtilityServer {
         }).start();
     }
 
-    public static void isEmsApiAvailable(final String serverAddress, final int serverTCPport, final RunnableArgs<Boolean> callback) {
+    public static void isEmsApiAvailable(final String serverAddress, final int serverTCPport, final Runnable onComplete, final RunnableArgs<Exception> onFailed) {
         new Thread(() -> {
             OkHttpClient client = new OkHttpClient();
 
@@ -46,11 +47,16 @@ public class UtilityServer {
 
             try {
                 Response response = client.newCall(request).execute();
-                boolean status = response.isSuccessful();
                 response.close();
-                callback.run(status);
+
+                if (response.code() == 200) onComplete.run();
+                else if (response.code() == 404)
+                    onFailed.run(new ServerNotReachableException(serverAddress, serverTCPport, null));
+                else if (response.code() == 550)
+                    onFailed.run(new Exception("Licenza non valida"));
+                else onFailed.run(new Exception("Errore non identificato (STATUS: " + response.code() + ")"));
             } catch (IOException e) {
-                callback.run(false);
+                onFailed.run(new ServerNotReachableException(serverAddress, serverTCPport, e));
             }
 
         }).start();
diff --git a/app/src/main/java/it/integry/integrywmsnative/gest/login/viewmodel/LoginViewModel.java b/app/src/main/java/it/integry/integrywmsnative/gest/login/viewmodel/LoginViewModel.java
index 827c78ab..804a9e5d 100644
--- a/app/src/main/java/it/integry/integrywmsnative/gest/login/viewmodel/LoginViewModel.java
+++ b/app/src/main/java/it/integry/integrywmsnative/gest/login/viewmodel/LoginViewModel.java
@@ -15,7 +15,6 @@ import it.integry.integrywmsnative.core.utility.UtilityServer;
 import it.integry.integrywmsnative.core.utility.UtilityString;
 import it.integry.integrywmsnative.gest.login.exception.InvalidServerCodAziendaException;
 import it.integry.integrywmsnative.gest.login.exception.InvalidUserDepositException;
-import it.integry.integrywmsnative.gest.login.exception.ServerNotReachableException;
 import it.integry.integrywmsnative.gest.login.rest.LoginRESTConsumer;
 
 public class LoginViewModel {
@@ -52,9 +51,8 @@ public class LoginViewModel {
             final String host = u.getHost();
             final int port = u.getPort();
 
-            UtilityServer.isEmsApiAvailable(host, port, value1 -> {
+            UtilityServer.isEmsApiAvailable(host, port, () -> {
 
-                if (value1) { //Is online
                     mLoginRESTConsumer.authenticate(host, port, username, password, loginDTO -> {
 
                         SettingsManager.iDB().setAvailableProfiles(loginDTO.getAvailableProfiles());
@@ -73,11 +71,7 @@ public class LoginViewModel {
                     }, this::sendError);
 
 
-                } else { //Is not online
-                    this.sendError(new ServerNotReachableException(host, port, null));
-                }
-
-            });
+                }, this::sendError);
         }, ex -> {
             this.sendError(new InvalidServerCodAziendaException(codAzienda, ex));
         });