diff --git a/MP-TAB-SERV/Components/MachSel.razor.cs b/MP-TAB-SERV/Components/MachSel.razor.cs
index b328ed09..761ef777 100644
--- a/MP-TAB-SERV/Components/MachSel.razor.cs
+++ b/MP-TAB-SERV/Components/MachSel.razor.cs
@@ -1,6 +1,7 @@
 using global::Microsoft.AspNetCore.Components;
 using MP.Data.DatabaseModels;
 using MP.Data.Services;
+using MP_TAB_SERV.Shared;
 using System;
 using System.Reflection.Metadata;
 
@@ -28,12 +29,16 @@ namespace MP_TAB_SERV.Components
                 if (idxMaccSel != value)
                 {
                     idxMaccSel = value;
+                    MsgServ.UserPrefSet(idxMaccCurr, value);
                     E_MachSel.InvokeAsync(value).ConfigureAwait(false);
                 }
             }
         }
         private string idxMaccSel { get; set; } = "";
 
+        [Inject]
+        protected MessageService MsgServ { get; set; } = null!;
+
         protected Dictionary<string, string>? ListMacchine { get; set; } = null;
 
         [Inject]
@@ -43,6 +48,19 @@ namespace MP_TAB_SERV.Components
 
         #region Protected Methods
 
+        protected string idxMaccCurr
+        {
+            get
+            {
+                string answ = "";
+                if (RecMSE != null)
+                {
+                    answ = RecMSE?.IdxMacchina ?? "";
+                }
+                return answ;
+            }
+        }
+
         protected override async Task OnParametersSetAsync()
         {
             // inizilamente riporto machcina corrente da MSE
@@ -63,8 +81,16 @@ namespace MP_TAB_SERV.Components
 
                     if (ListMacchine.Count > 0 && string.IsNullOrEmpty(idxMaccSel))
                     {
-                        IdxMaccSel = ListMacchine.FirstOrDefault().Key;
-                        //await E_MachSel.InvokeAsync(idxMaccSel);
+                        // cerco se ho in storage la macchina selezionata...
+                        var idxMSel = MsgServ.UserPrefGet(idxMaccCurr);
+                        if (!string.IsNullOrEmpty(idxMSel))
+                        {
+                            idxMaccSel = idxMSel;
+                        }
+                        else
+                        {
+                            IdxMaccSel = ListMacchine.FirstOrDefault().Key;
+                        }
                     }
                 }
             }
diff --git a/MP-TAB-SERV/Components/MseSampler.razor.cs b/MP-TAB-SERV/Components/MseSampler.razor.cs
index 0f96ac5a..0c90ce82 100644
--- a/MP-TAB-SERV/Components/MseSampler.razor.cs
+++ b/MP-TAB-SERV/Components/MseSampler.razor.cs
@@ -72,7 +72,6 @@ namespace MP_TAB_SERV.Components
                 {
                     aTimer.Interval = fastRefreshMs;
                     await InvokeAsync(RefreshData);
-                    //Log.Trace("MseSampler Timer elapsed");
                 });
             pUpd.Wait(); 
         }
diff --git a/MP-TAB-SERV/MP-TAB-SERV.csproj b/MP-TAB-SERV/MP-TAB-SERV.csproj
index fd6eb6b6..03e15603 100644
--- a/MP-TAB-SERV/MP-TAB-SERV.csproj
+++ b/MP-TAB-SERV/MP-TAB-SERV.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
     <Nullable>enable</Nullable>
-      <Version>6.16.2312.1208</Version>
+      <Version>6.16.2312.1214</Version>
     <ImplicitUsings>enable</ImplicitUsings>
     <RootNamespace>MP_TAB_SERV</RootNamespace>
   </PropertyGroup>
diff --git a/MP-TAB-SERV/Pages/User.razor b/MP-TAB-SERV/Pages/User.razor
index d23fee31..c475e85f 100644
--- a/MP-TAB-SERV/Pages/User.razor
+++ b/MP-TAB-SERV/Pages/User.razor
@@ -191,7 +191,7 @@
             if (_tcModIns != value)
             {
                 _tcModIns = value;
-                MsgServ.UserPrefSave("TcMode", value);
+                MsgServ.UserPrefSet("TcMode", value);
             }
         }
     }
@@ -206,7 +206,7 @@
             if (_langIns != value)
             {
                 _langIns = value;
-                MsgServ.UserPrefSave("Lang", value);
+                MsgServ.UserPrefSet("Lang", value);
             }
         }
     }
@@ -220,7 +220,7 @@
             if (_defCardMode != value)
             {
                 _defCardMode = value;
-                MsgServ.UserPrefSave("DefCardMode", value);
+                MsgServ.UserPrefSet("DefCardMode", value);
             }
         }
     }
diff --git a/MP-TAB-SERV/Resources/ChangeLog.html b/MP-TAB-SERV/Resources/ChangeLog.html
index d21e6bdd..2457f48d 100644
--- a/MP-TAB-SERV/Resources/ChangeLog.html
+++ b/MP-TAB-SERV/Resources/ChangeLog.html
@@ -1,6 +1,6 @@
 <body>
     <i>Modulo MAPOSPEC </i>
-    <h4>Versione: 6.16.2312.1208</h4>
+    <h4>Versione: 6.16.2312.1214</h4>
     <br /> Note di rilascio:
     <ul>
         <li>
diff --git a/MP-TAB-SERV/Resources/VersNum.txt b/MP-TAB-SERV/Resources/VersNum.txt
index 1fce9f41..d11d7a4c 100644
--- a/MP-TAB-SERV/Resources/VersNum.txt
+++ b/MP-TAB-SERV/Resources/VersNum.txt
@@ -1 +1 @@
-6.16.2312.1208
+6.16.2312.1214
diff --git a/MP-TAB-SERV/Resources/manifest.xml b/MP-TAB-SERV/Resources/manifest.xml
index 7213ab97..7b5b0f8a 100644
--- a/MP-TAB-SERV/Resources/manifest.xml
+++ b/MP-TAB-SERV/Resources/manifest.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <item>
-  <version>6.16.2312.1208</version>
+  <version>6.16.2312.1214</version>
   <url>https://nexus.steamware.net/repository/SWS/MP-TAB-SERV/stable/LAST/MP-TAB-SERV.zip</url>
   <changelog>https://nexus.steamware.net/repository/SWS/MP-TAB-SERV/stable/LAST/ChangeLog.html</changelog>
   <mandatory>false</mandatory>
diff --git a/MP.Data/Services/MessageService.cs b/MP.Data/Services/MessageService.cs
index 068e3459..50cece25 100644
--- a/MP.Data/Services/MessageService.cs
+++ b/MP.Data/Services/MessageService.cs
@@ -53,8 +53,6 @@ namespace MP.Data.Services
 
         #endregion Public Events
 
-        #region Public Properties
-
 #if false
         protected bool _tReset { get; set; } = false;
         protected bool tReset
@@ -76,10 +74,10 @@ namespace MP.Data.Services
             {
                 EA_ResetFooterTimer?.Invoke();
             }
-        } 
+        }
 #endif
 
-        public DateTime dtLastAction { get; set; } = DateTime.Now;
+        #region Public Properties
 
         public string CognomeNome
         {
@@ -120,6 +118,8 @@ namespace MP.Data.Services
             }
         }
 
+        public DateTime dtLastAction { get; set; } = DateTime.Now;
+
         public int MatrOpr
         {
             get
@@ -247,6 +247,37 @@ namespace MP.Data.Services
             return SteamCrypto.DecryptString(encData, Constants.passPhrase);
         }
 
+        public async Task<bool> DoLogIn(string decodValue)
+        {
+            bool answ = false;
+            expDays = SMService.GetConfInt("cookieDayExpire");
+            var expDT = DateTime.Now.AddDays(expDays);
+            // decifro i valori..
+            var decrVal = DecryptData(decodValue);
+            var opData = JsonConvert.DeserializeObject<userTknDTO>(decrVal);
+            if (opData != null)
+            {
+                var rigaOpr = await TDService.OperatoreSearch(opData.currOpr.MatrOpr, opData.currOpr.authKey);
+                if (rigaOpr != null)
+                {
+                    userTknDTO newUserTkn = new userTknDTO()
+                    {
+                        currOpr = rigaOpr,
+                        expTime = expDT
+                    };
+
+                    var jsonTkn = JsonConvert.SerializeObject(newUserTkn);
+                    string hash = TDService.EncryptData(jsonTkn);
+                    RigaOper = rigaOpr;
+                    await SetLastMatrOprAsync(rigaOpr.MatrOpr);
+                    await SetCurrOperDtoAsync(hash);
+                    await TDService.OperatoreSetRedis(rigaOpr.MatrOpr, hash);
+                    answ = true;
+                }
+            }
+            return answ;
+        }
+
         public string EncryptData(string rawData)
         {
             return SteamCrypto.EncryptString(rawData, Constants.passPhrase);
@@ -344,6 +375,7 @@ namespace MP.Data.Services
         {
             await localStorage.SetItemAsync("CurrMach", machSel);
         }
+
         /// <summary>
         /// Scrive sul local storage pagina corrente
         /// </summary>
@@ -438,40 +470,6 @@ namespace MP.Data.Services
             return answ;
         }
 
-        protected int expDays { get; set; } = 0;
-
-        public async Task<bool> DoLogIn(string decodValue)
-        {
-            bool answ = false;
-            expDays = SMService.GetConfInt("cookieDayExpire");
-            var expDT = DateTime.Now.AddDays(expDays);
-            // decifro i valori..
-            var decrVal = DecryptData(decodValue);
-            var opData = JsonConvert.DeserializeObject<userTknDTO>(decrVal);
-            if (opData != null)
-            {
-                var rigaOpr = await TDService.OperatoreSearch(opData.currOpr.MatrOpr, opData.currOpr.authKey);
-                if (rigaOpr != null)
-                {
-                    userTknDTO newUserTkn = new userTknDTO()
-                    {
-                        currOpr = rigaOpr,
-                        expTime = expDT
-                    };
-
-                    var jsonTkn = JsonConvert.SerializeObject(newUserTkn);
-                    string hash = TDService.EncryptData(jsonTkn);
-                    RigaOper = rigaOpr;
-                    await SetLastMatrOprAsync(rigaOpr.MatrOpr);
-                    await SetCurrOperDtoAsync(hash);
-                    await TDService.OperatoreSetRedis(rigaOpr.MatrOpr, hash);
-                    answ = true;
-                }
-            }
-            return answ;
-        }
-
-
         /// <summary>
         /// Salva matrOpr nel localstorage
         /// </summary>
@@ -484,6 +482,7 @@ namespace MP.Data.Services
             return answ;
         }
 
+
         /// <summary>
         /// Recupero singola preferenza utente
         /// </summary>
@@ -501,12 +500,12 @@ namespace MP.Data.Services
         }
 
         /// <summary>
-        /// Salvo singola rpeferenza utente
+        /// Salvo singola preferenza utente
         /// </summary>
         /// <param name="chiave"></param>
         /// <param name="valore"></param>
         /// <returns></returns>
-        public bool UserPrefSave(string chiave, string valore)
+        public bool UserPrefSet(string chiave, string valore)
         {
             bool done = false;
             var currDict = UsersPrefDict;
@@ -540,7 +539,7 @@ namespace MP.Data.Services
             {
                 if (MatrOpr > 0)
                 {
-                    UserPrefSave(chiave, defValue);
+                    UserPrefSet(chiave, defValue);
                 }
             }
             return answ;
@@ -569,11 +568,11 @@ namespace MP.Data.Services
 
         #region Protected Properties
 
+        protected int expDays { get; set; } = 0;
         protected ILocalStorageService localStorage { get; set; } = null!;
-        protected TabDataService TDService { get; set; } = null!;
-        protected SharedMemService SMService { get; set; } = null!;
-
         protected ISessionStorageService sessionStore { get; set; } = null!;
+        protected SharedMemService SMService { get; set; } = null!;
+        protected TabDataService TDService { get; set; } = null!;
 
         #endregion Protected Properties
 
@@ -597,6 +596,12 @@ namespace MP.Data.Services
 
         #endregion Private Fields
 
+        #region Private Properties
+
+        private Dictionary<string, string> UserPrefs { get; set; } = new Dictionary<string, string>();
+
+        #endregion Private Properties
+
         #region Private Methods
 
         private string machineMse(string idxMacc)