diff --git a/EgtBEAMWALL.DataLayer/Controllers/DbController.cs b/EgtBEAMWALL.DataLayer/Controllers/DbController.cs
index e5861783..8f47e261 100644
--- a/EgtBEAMWALL.DataLayer/Controllers/DbController.cs
+++ b/EgtBEAMWALL.DataLayer/Controllers/DbController.cs
@@ -6,83 +6,92 @@ using EgtBEAMWALL.DataLayer.DatabaseModels;
 
 namespace EgtBEAMWALL.DataLayer.Controllers
 {
-    public class DbController : IDisposable
-    {
-        #region Private Fields
+   public class DbController : IDisposable
+   {
+      #region Private Fields
 
-        private AdminContext adbCtx;
+      private AdminContext adbCtx;
 
-        #endregion Private Fields
+      #endregion Private Fields
 
-        #region Public Fields
+      #region Public Fields
 
-        /// <summary>
-        /// Singleton gestione
-        /// </summary>
-        public static DbController man = new DbController();
+      /// <summary>
+      /// Singleton gestione
+      /// </summary>
+      public static DbController man = new DbController();
 
-        #endregion Public Fields
+      #endregion Public Fields
 
-        #region Public Constructors
+      #region Public Constructors
 
-        public DbController()
-        {
-            // Initialize database context for ADMIN
-            adbCtx = new AdminContext(DbConfig.ADMIN_CONNECTION_STRING);
-        }
+      public DbController()
+      {
+         // Initialize database context for ADMIN
+         adbCtx = new AdminContext(DbConfig.ADMIN_CONNECTION_STRING);
+      }
 
-        #endregion Public Constructors
+      #endregion Public Constructors
 
-        #region Public Methods
+      #region Public Methods
 
-        public bool checkCreateUser(string username, string pwd)
-        {
-            bool answ = false;
-            // ricerca utente...
-            var foundUser = adbCtx
-                .UserList
-                .Where(x => x.User == username)
-                .ToList();
-            if (foundUser != null && foundUser.Count > 0)
-            {
-                answ = true;
-            }
-            if (!answ)
-            {
-                // creo utente
-                string sqlCommand = $"ALTER USER '{username}'@'localhost' IDENTIFIED BY '{pwd}'; FLUSH PRIVILEGES;";
-                adbCtx.Database.ExecuteSqlCommand(sqlCommand);
-            }
-            return answ;
-        }
+      public bool checkCreateUser(string username, string pwd)
+      {
+         bool answ = false;
+         // ricerca utente...
+         var numUser = adbCtx
+             .UserList
+             .Where(x => x.User == username)
+             .ToList()
+             .Count;
+         if (numUser > 0)
+         {
+            answ = true;
+         }
+         if (!answ)
+         {
+            // creo utente
+            string sqlCommand = "FLUSH PRIVILEGES;";
+            //string sqlCommand = $"CREATE USER '{username}'@'localhost' IDENTIFIED BY '{pwd}'; GRANT ALL ON *.* TO '{username}'@'localhost'; FLUSH PRIVILEGES;";
+            //string sqlCommand = $"CREATE USER '{username}'@'localhost' IDENTIFIED BY '{pwd}'; GRANT ALL ON *.* TO '{username}'@'localhost'; FLUSH PRIVILEGES;";
+            adbCtx.Database.ExecuteSqlCommand(System.Data.Entity.TransactionalBehavior.DoNotEnsureTransaction, sqlCommand);
+            sqlCommand = $"CREATE USER '{username}'@'localhost' IDENTIFIED BY '{pwd}';";
+            adbCtx.Database.ExecuteSqlCommand(System.Data.Entity.TransactionalBehavior.DoNotEnsureTransaction, sqlCommand);
+            sqlCommand = $"GRANT ALL ON *.* TO '{username}'@'localhost';";
+            adbCtx.Database.ExecuteSqlCommand(System.Data.Entity.TransactionalBehavior.DoNotEnsureTransaction, sqlCommand);
+            sqlCommand = "FLUSH PRIVILEGES;";
+            adbCtx.Database.ExecuteSqlCommand(System.Data.Entity.TransactionalBehavior.DoNotEnsureTransaction, sqlCommand);
+         }
+         return answ;
+      }
 
-        public void Dispose()
-        {
-            // Clear database context
-            adbCtx.Dispose();
-        }
+      public void Dispose()
+      {
+         // Clear database context
+         adbCtx.Dispose();
+      }
 
-        public bool ResetDb()
-        {
-            bool answ = false;
+      public bool ResetDb()
+      {
+         bool answ = false;
 
-            try
-            {
-                adbCtx
-                    .Database
-                    .SqlQuery<int>("CALL stp_ResetDb()");
-                answ = true;
+         try
+         {
+            adbCtx
+                .Database
+                .SqlQuery<int>("CALL stp_ResetDb()");
+            answ = true;
 
-                adbCtx.SaveChanges();
-            }
-            catch (Exception exc)
-            {
-                Console.WriteLine($"EXCEPTION on ResetDb: {exc}");
-            }
+            adbCtx.SaveChanges();
+         }
+         catch (Exception exc)
+         {
+            Console.WriteLine($"EXCEPTION on ResetDb: {exc}");
+         }
 
-            return answ;
-        }
+         return answ;
+      }
 
-        #endregion Public Methods
-    }
+      #endregion Public Methods
+   }
 }
\ No newline at end of file
diff --git a/EgtBEAMWALL.DataLayer/DatabaseModels/UserPrivModel.cs b/EgtBEAMWALL.DataLayer/DatabaseModels/UserPrivModel.cs
index b844f9d4..3e96f3f1 100644
--- a/EgtBEAMWALL.DataLayer/DatabaseModels/UserPrivModel.cs
+++ b/EgtBEAMWALL.DataLayer/DatabaseModels/UserPrivModel.cs
@@ -15,10 +15,10 @@ namespace EgtBEAMWALL.DataLayer.DatabaseModels
     {
         #region Public Properties
 
-        [Column("Host")]
+        [Column("Host", Order = 1), Key]
         public string Host { get; set; } = "";
 
-        [Column("User")]
+        [Column("User", Order = 2), Key]
         public string User { get; set; } = "";
 
         #endregion Public Properties
diff --git a/EgtBEAMWALL.DataLayer/DbConfig.cs b/EgtBEAMWALL.DataLayer/DbConfig.cs
index 2bc4fbdf..ba6ebd88 100644
--- a/EgtBEAMWALL.DataLayer/DbConfig.cs
+++ b/EgtBEAMWALL.DataLayer/DbConfig.cs
@@ -46,10 +46,14 @@ namespace EgtBEAMWALL.DataLayer
             CONNECTION_STRING = $"server={DATABASE_SERV};port=3306;database={DATABASE_NAME};uid={DATABASE_USER};pwd={DATABASE_PWD};sslmode=None";
             // stringa admin con utente root egalware...
             ADMIN_CONNECTION_STRING = $"server={DATABASE_SERV};port=3306;database=mysql;uid=root;pwd=Egalware_24068!;sslmode=None";
-            // esecuzione script di install locale
-            bool userOk = Controllers.DbController.man.checkCreateUser(DATABASE_USER, DATABASE_PWD);
         }
 
-        #endregion Public Methods
-    }
+      public static bool CheckUser(string nKey, string sKey)
+      {
+         // esecuzione script di install locale
+         return Controllers.DbController.man.checkCreateUser(DATABASE_USER, DATABASE_PWD);
+      }
+
+      #endregion Public Methods
+   }
 }
\ No newline at end of file