diff --git a/MP-IO/Controllers/IOBController.cs b/MP-IO/Controllers/IOBController.cs
index ac574521..9211e3cf 100644
--- a/MP-IO/Controllers/IOBController.cs
+++ b/MP-IO/Controllers/IOBController.cs
@@ -100,7 +100,7 @@ namespace MP_IO.Controllers
                 {
                     // verifico se sia abilitato SignalLog x una data macchina
                     MapoDb.MapoDb.obj.scriviKeepAlive(idx.ToString(), DateTime.Now);
-                    answ = "OK";
+                    answ = MapoDb.MapoDb.obj.taKeepAlive.getByIdxMacchina(idx.ToString())[0].DataOraServer.ToString();
                 }
                 catch (Exception exc)
                 {
diff --git a/MP-IO/Web.Donati.config b/MP-IO/Web.Donati.config
index bc9e585d..c3c1cb7b 100644
--- a/MP-IO/Web.Donati.config
+++ b/MP-IO/Web.Donati.config
@@ -17,7 +17,7 @@
     <appSettings>
         <add key="resetConnKA" value="false" xdt:Transform="SetAttributes" xdt:Locator="Match(key)"/>
         <add key="forceResetKeepAlive" value="true" xdt:Transform="SetAttributes" xdt:Locator="Match(key)"/>
-        <add key="kaMinUpdSec" value="120" xdt:Transform="SetAttributes" xdt:Locator="Match(key)"/>
+        <add key="kaMinUpdSec" value="45" xdt:Transform="SetAttributes" xdt:Locator="Match(key)"/>
         <add key="_logLevel" value="5" xdt:Transform="SetAttributes" xdt:Locator="Match(key)"/>
         <add key="EnableCdnJQ" value="false" xdt:Transform="SetAttributes" xdt:Locator="Match(key)"/>
         <add key="MoonProConnectionString" value="Data Source=localhost\sqlexpress;Initial Catalog=Donati_MoonPro;Persist Security Info=True;User ID=steamware;Password=viadante16" xdt:Transform="SetAttributes" xdt:Locator="Match(key)"/>
diff --git a/MP-IO/Web.config b/MP-IO/Web.config
index 873b25d7..65c3e6c0 100644
--- a/MP-IO/Web.config
+++ b/MP-IO/Web.config
@@ -10,8 +10,7 @@
     <!--keep alive!-->
     <add key="resetConnKA" value="false"/>
     <add key="forceResetKeepAlive" value="true"/>
-    <!--<add key="kaMinUpdSec" value="90"/>-->
-    <add key="kaMinUpdSec" value="3"/>
+    <add key="kaMinUpdSec" value="5"/>
     <!--conf base-->
     <add key="appName" value="MP-IO"/>
     <!-- Logging -->
diff --git a/MapoDb/MapoDb.cs b/MapoDb/MapoDb.cs
index bb4bbdcd..76457032 100644
--- a/MapoDb/MapoDb.cs
+++ b/MapoDb/MapoDb.cs
@@ -1136,10 +1136,10 @@ namespace MapoDb
             bool doWrite = false;
             string nomeVar = string.Format("KA{0}", IdxMacchina);
             // in primis controllo se in cache c'è oggetto keep alive x macchina... formato KA{ID-MACCHINA}
+            DateTime adesso = DateTime.Now;
             if (memLayer.ML.isInCacheObject(nomeVar))
             {
                 // leggo data ora, se è + vecchia di corrente - kaMinUpdSec segno da aggiornare
-                DateTime adesso = DateTime.Now;
                 DateTime lastKA = DateTime.Now;
                 try
                 {
@@ -1161,6 +1161,7 @@ namespace MapoDb
             }
             if (doWrite)
             {
+                memLayer.ML.setCacheVal(nomeVar, adesso);
                 try
                 {
                     if (memLayer.ML.CRB("resetConnKA"))