diff --git a/IOB-WIN/AdapterForm.cs b/IOB-WIN/AdapterForm.cs
index b991d0d6..7c4eb0b0 100644
--- a/IOB-WIN/AdapterForm.cs
+++ b/IOB-WIN/AdapterForm.cs
@@ -216,8 +216,16 @@ namespace IOB_WIN
 
       try
       {
-        // segnalo reboot (programma)...
-        iobObj.callUrl(iobObj.urlReboot);
+        // verifico server online...
+        if (iobObj.checkServerAlive)
+        {
+          // segnalo reboot (programma)...
+          iobObj.callUrl(iobObj.urlReboot);
+        }
+        else
+        {
+          displayTaskAndLog("Server OFFLINE");
+        }
       }
       catch (Exception exc)
       {
diff --git a/IOB-WIN/IobGeneric.cs b/IOB-WIN/IobGeneric.cs
index b7a29cfe..ea54708f 100644
--- a/IOB-WIN/IobGeneric.cs
+++ b/IOB-WIN/IobGeneric.cs
@@ -1312,40 +1312,66 @@ namespace IOB_WIN
       return answ;
     }
     /// <summary>
+    /// test ping all'indirizzo impostato nei parametri
+    /// </summary>
+    /// <returns></returns>
+    private IPStatus testPingServer()
+    {
+      IPStatus answ = IPStatus.Unknown; ;
+      IPAddress address;
+      PingReply reply;
+      Ping pingSender = new Ping();
+      address = IPAddress.Loopback;
+      string ipAdrr = currIobConf.serverData.MPIP.Replace("http://", "").Replace("https://", "");
+      IPAddress.TryParse(ipAdrr, out address);
+      reply = pingSender.Send(address, 100);
+      answ = reply.Status;
+      return answ;
+    }
+    /// <summary>
     /// Verifica se il server sia ALIVE
     /// </summary>
-    private bool checkServerAlive
+    public bool checkServerAlive
     {
       get
       {
         bool answ = false;
         if (DemoOut)
         {
-          answ = true;
+          answ = false;
         }
         else
         {
-          try
+          IPStatus pingStatus = testPingServer();
+          // se passa il ping faccio il resto...
+          if (pingStatus == IPStatus.Success)
           {
-            // chiamo URL, se restituisce "OK" è alive!
-            answ = (callUrl(urlAlive) == "OK");
+            try
+            {
+              // chiamo URL, se restituisce "OK" è alive!
+              answ = (callUrl(urlAlive) == "OK");
+            }
+            catch
+            { }
+            // verifico SE è variato stato online/offline...
+            if (MPOnline != answ)
+            {
+              // se ORA sono online riporto...
+              if (answ)
+              {
+                lgInfo("SERVER ONLINE");
+              }
+              else
+              {
+                lgInfo("SERVER OFFLINE");
+              }
+              // salvo nuovo status...
+              MPOnline = answ;
+            }
           }
-          catch
-          { }
-          // verifico SE è variato stato online/offline...
-          if (MPOnline != answ)
+          else
           {
-            // se ORA sono online riporto...
-            if (answ)
-            {
-              lgInfo("SERVER ONLINE");
-            }
-            else
-            {
-              lgInfo("SERVER OFFLINE");
-            }
-            // salvo nuovo status...
-            MPOnline = answ;
+            lgInfo("SERVER NOT RESPONDING (PING)");
           }
         }
         return answ;
diff --git a/IOB-WIN/MainForm.cs b/IOB-WIN/MainForm.cs
index 16d00235..556f6c47 100644
--- a/IOB-WIN/MainForm.cs
+++ b/IOB-WIN/MainForm.cs
@@ -14,6 +14,7 @@ using NLog.Targets;
 using NLog.Config;
 using System.Configuration;
 using System.Net;
+using System.Net.NetworkInformation;
 
 namespace IOB_WIN
 {
@@ -274,8 +275,17 @@ namespace IOB_WIN
       }
       try
       {
-        // segnalo reboot (programma)...
-        utils.callUrl(urlReboot);
+        IPStatus pingStatus = testPingServer();
+        // se passa il ping faccio il resto...
+        if (pingStatus == IPStatus.Success)
+        {
+          // segnalo reboot (programma)...
+          utils.callUrl(urlReboot);
+        }
+        else
+        {
+          displayTaskAndLog("Server unreachable, cannot send urlReboot for MAIN FORM");
+        }
       }
       catch (Exception exc)
       {
@@ -284,6 +294,23 @@ namespace IOB_WIN
       displayTaskAndLog("Main Form OK");
     }
     /// <summary>
+    /// test ping all'indirizzo impostato nei parametri
+    /// </summary>
+    /// <returns></returns>
+    private IPStatus testPingServer()
+    {
+      IPStatus answ = IPStatus.Unknown; ;
+      IPAddress address;
+      PingReply reply;
+      Ping pingSender = new Ping();
+      address = IPAddress.Loopback;
+      string ipAdrr = MPIP;
+      IPAddress.TryParse(ipAdrr, out address);
+      reply = pingSender.Send(address, 100);
+      answ = reply.Status;
+      return answ;
+    }
+    /// <summary>
     /// Avvio gli adapters richeisti
     /// </summary>
     private void startAdapters()
@@ -409,8 +436,7 @@ namespace IOB_WIN
     /// Apre la finestra child con conf
     /// </summary>
     protected void openChild(string IOB)
-    {
-      // !!!FARE!!! x ora è finto... vanno aperti veri adapters
+    {                                                            
       if (IOB == null)
       {
         throw new ArgumentNullException(nameof(IOB));
diff --git a/Jenkinsfile b/Jenkinsfile
index 5e4ac68a..b2242daa 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -14,7 +14,7 @@ pipeline {
 
       /* calcolo numero versione... diverso x branch MASTER/DEVELOP */
       script {
-        withEnv(['NEXT_BUILD_NUMBER=270']) {
+        withEnv(['NEXT_BUILD_NUMBER=271']) {
           // env.versionNumber = VersionNumber(versionNumberString : '1.18.${BUILD_DATE_FORMATTED, "yyMM"}.${BUILDS_ALL_TIME}', projectStartDate : '2006-01-01', skipFailedBuilds: true)
           env.versionNumber = VersionNumber(versionNumberString : '1.18.${BUILD_DATE_FORMATTED, "yyMM"}.${BUILDS_ALL_TIME}', projectStartDate : '2006-01-01', skipFailedBuilds: true, overrideBuildsAllTime: '${NEXT_BUILD_NUMBER}')
           env.APP_NAME = 'MAPO-IOB-WIN'