diff --git a/.vs/ApiManutenzioni/v17/.wsuo b/.vs/ApiManutenzioni/v17/.wsuo
index 20c480e..26f2235 100644
Binary files a/.vs/ApiManutenzioni/v17/.wsuo and b/.vs/ApiManutenzioni/v17/.wsuo differ
diff --git a/.vs/ApiPolo/DesignTimeBuild/.dtbcache.v2 b/.vs/ApiPolo/DesignTimeBuild/.dtbcache.v2
index 271f2d5..ee91b61 100644
Binary files a/.vs/ApiPolo/DesignTimeBuild/.dtbcache.v2 and b/.vs/ApiPolo/DesignTimeBuild/.dtbcache.v2 differ
diff --git a/.vs/ProjectEvaluation/apipolo.metadata.v7.bin b/.vs/ProjectEvaluation/apipolo.metadata.v7.bin
deleted file mode 100644
index de27bcb..0000000
Binary files a/.vs/ProjectEvaluation/apipolo.metadata.v7.bin and /dev/null differ
diff --git a/.vs/ProjectEvaluation/apipolo.projects.v7.bin b/.vs/ProjectEvaluation/apipolo.projects.v7.bin
deleted file mode 100644
index 585efd5..0000000
Binary files a/.vs/ProjectEvaluation/apipolo.projects.v7.bin and /dev/null differ
diff --git a/.vs/VSWorkspaceState.json b/.vs/VSWorkspaceState.json
index 6b61141..29e7109 100644
--- a/.vs/VSWorkspaceState.json
+++ b/.vs/VSWorkspaceState.json
@@ -2,5 +2,6 @@
   "ExpandedNodes": [
     ""
   ],
+  "SelectedNode": "\\ApiPolo.sln",
   "PreviewInSolutionExplorer": false
 }
\ No newline at end of file
diff --git a/ApiPolo/Controllers/PoloController.cs b/ApiPolo/Controllers/PoloController.cs
index 945703a..c5911e4 100644
--- a/ApiPolo/Controllers/PoloController.cs
+++ b/ApiPolo/Controllers/PoloController.cs
@@ -53,7 +53,7 @@ using Microsoft.Extensions.Primitives;
 using System.Text.RegularExpressions;
 using System.Runtime.CompilerServices;
 using System.Diagnostics;
-using ApiPolo.Models.Maras_DbContext;
+using ApiPolo.Data;
 
 namespace ApiPolo.Controllers
 {
@@ -2999,6 +2999,9 @@ namespace ApiPolo.Controllers
             /// <summary>Syscom</summary>
             public const string Syscom = "A0001";
 
+            /// <summary>Syscom</summary>
+            public const string Maras = "MARAS";
+
         }
         /// <summary></summary>
         public static class suffClienti
diff --git a/ApiPolo/Controllers/TestController.cs b/ApiPolo/Controllers/TestController.cs
new file mode 100644
index 0000000..c314ba1
--- /dev/null
+++ b/ApiPolo/Controllers/TestController.cs
@@ -0,0 +1,137 @@
+using ApiPolo.Interfaces;
+using ApiPolo.Models;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+
+namespace ApiPolo.Controllers
+{
+    public class TestController : Controller
+    {
+        //interfaccia con tutti i possibili dbset
+        private readonly ITenantDbContextFactory _dbContextFactory;
+        //DI con ITenantDbContextFactory
+        public TestController(ITenantDbContextFactory dbContextFactory)
+        {
+            _dbContextFactory = dbContextFactory;
+        }
+
+        //ATTENZIONE - CONFLITTO TRA Compo_Impia_Table e 
+
+        #region GET_BY_TENANT
+        private DbSet<Tecnici> getTecniciByTenant(string tenant)
+        {
+            var dbContext = _dbContextFactory.GetDbContext(tenant);
+            return dbContext.Tecnici; // Use Set<T>() to handle different DbContexts
+        }
+        private DbSet<Rapp_New> getRappNewByTenant(string tenant)
+        {
+            var dbContext = _dbContextFactory.GetDbContext(tenant);
+            return dbContext.Rapps; // Use Set<T>() to handle different DbContexts
+        }
+        private DbSet<Chiamate> getChiamateByTenant(string tenant)
+        {
+            var dbContext = _dbContextFactory.GetDbContext(tenant);
+            return dbContext.Chiamate; // Use Set<T>() to handle different DbContexts
+        }
+        private DbSet<Chiusure>? getChiusureByTenant(string tenant)
+        {
+            var dbContext = _dbContextFactory.GetDbContext(tenant);
+            return dbContext.Chiusure;
+        }
+        private DbSet<Manprog> getManutenzioniByTenant(string tenant)
+        {
+            var dbContext = _dbContextFactory.GetDbContext(tenant);
+            return dbContext.Manutenzioni; // Use Set<T>() to handle different DbContexts
+        }
+        private DbSet<Prese> getPreseByTenant(string tenant)
+        {
+            var dbContext = _dbContextFactory.GetDbContext(tenant);
+            return dbContext.Prese; // Use Set<T>() to handle different DbContexts
+        }
+        private DbSet<Sto_Rapp> getSto_RappByTenant(string tenant)
+        {
+            var dbContext = _dbContextFactory.GetDbContext(tenant);
+            return dbContext.StoRapp; // Use Set<T>() to handle different DbContexts
+        }
+        private DbSet<Anag> getClientiByTenant(string tenant)
+        {
+            var dbContext = _dbContextFactory.GetDbContext(tenant);
+            return dbContext.Clienti; // Use Set<T>() to handle different DbContexts
+        }
+        private DbSet<Caus_Rapp> getCausaliRappByTenant(string tenant)
+        {
+            var dbContext = _dbContextFactory.GetDbContext(tenant);
+            return dbContext.Causali; // Use Set<T>() to handle different DbContexts
+        }
+        private DbSet<Pagam> getPagamentiByTenant(string tenant)
+        {
+            var dbContext = _dbContextFactory.GetDbContext(tenant);
+            return dbContext.Pagamenti; // Use Set<T>() to handle different DbContexts
+        }
+
+        private DbSet<Saldiart> getSaldiartByTenant(string tenant)
+        {
+            var dbContext = _dbContextFactory.GetDbContext(tenant);
+            return dbContext.Saldi; // Use Set<T>() to handle different DbContexts
+        }
+        /// <summary>
+        /// CONFLITTO CON Compo_Impia_Table
+        /// </summary>
+        /*
+        private DbSet<Compo_Impia_Table> getComponentiByTenant(string tenant)
+        { // IN CONFLITTO CON Compo_Impia_Table
+            var dbContext = _dbContextFactory.GetDbContext(tenant);
+            return dbContext.Componen; // Use Set<T>() to handle different DbContexts
+        }*/
+        private DbSet<Compo_Impia_Table> getComponentiTableByTenant(string tenant)
+        {
+            var dbContext = _dbContextFactory.GetDbContext(tenant);
+            return dbContext.Componen; // Use Set<T>() to handle different DbContexts
+        }
+        private DbSet<Magazzini> getMagazziniByTenant(string tenant)
+        {
+            var dbContext = _dbContextFactory.GetDbContext(tenant);
+            return dbContext.Magaz; // Use Set<T>() to handle different DbContexts
+        }
+        private DbSet<Mag_New> getMag_NewByTenant(string tenant)
+        {
+            var dbContext = _dbContextFactory.GetDbContext(tenant);
+            return dbContext.Mag; // Use Set<T>() to handle different DbContexts
+        }
+        private DbSet<Impianto> getImpiantiByTenant(string tenant)
+        {
+            var dbContext = _dbContextFactory.GetDbContext(tenant);
+            return dbContext.Impia; // Use Set<T>() to handle different DbContexts
+        }
+        private DbSet<Commessa> getCommesseByTenant(string tenant)
+        {
+            var dbContext = _dbContextFactory.GetDbContext(tenant);
+            return dbContext.Commesse; // Use Set<T>() to handle different DbContexts
+        }
+        private DbSet<Timbratura> getTimbratureByTenant(string tenant)
+        {
+            var dbContext = _dbContextFactory.GetDbContext(tenant);
+            return dbContext.Timbr; // Use Set<T>() to handle different DbContexts
+        }
+
+        private DbSet<Sto_Imp> getStoricoImpiantoByTenant(string tenant)
+        {
+            var dbContext = _dbContextFactory.GetDbContext(tenant);
+            return dbContext.StoImp; // Use Set<T>() to handle different DbContexts
+        }
+        private DbSet<AziendaRif> getAziendeRifByTenant(string tenant)
+        {
+            var dbContext = _dbContextFactory.GetDbContext(tenant);
+            return dbContext.Azi; // Use Set<T>() to handle different DbContexts
+        }
+        private DbSet<Sostituzione> getSostituzioneByTenant(string tenant)
+        {
+            var dbContext = _dbContextFactory.GetDbContext(tenant);
+            return dbContext.Sost; // Use Set<T>() to handle different DbContexts
+        }
+        #endregion
+
+    }
+
+
+}
diff --git a/ApiPolo/Data/Maras_DbContext.cs b/ApiPolo/Data/Maras_DbContext.cs
new file mode 100644
index 0000000..7c67cfb
--- /dev/null
+++ b/ApiPolo/Data/Maras_DbContext.cs
@@ -0,0 +1,171 @@
+using ApiPolo.Interfaces;
+using ApiPolo.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace ApiPolo.Data
+{
+    public class Maras_DbContext : DbContext,ITenantDbContext
+    {
+        #region PROPERTIES
+        public DbSet<Caus_Rapp>? Causali { get; set; }
+
+        public DbSet<Chiusure>? Chiusure { get; set; }
+
+        public DbSet<AziendaRif>? Azi { get; set; }
+
+        public DbSet<CC_CI>? ccci { get; set; }
+
+        public DbSet<CC_CIWiev>? ccciWiev { get; set; }
+
+        public DbSet<Chiamate>? Chiamate { get; set; }
+
+        public DbSet<Anag>? Clienti { get; set; }
+
+        public DbSet<Compo_Impia_Table>? Componen { get; set; } // IN CONFLITTO CON Compo_Impia
+
+        //public DbSet<Compo_Impia>? Componen { get; set; } //CAMBIARE NOME!!!
+
+        public DbSet<Impianto>? Impia { get; set; }
+
+        public DbSet<Mag_New>? Mag { get; set; }
+
+        public DbSet<Magazzini>? Magaz { get; set; }
+
+        public DbSet<Manprog>? Manutenzioni { get; set; }
+
+        public DbSet<Pagam>? Pagamenti { get; set; }
+
+        public DbSet<Prese>? Prese { get; set; }
+
+        public DbSet<Rapp_New>? Rapps { get; set; }
+
+        public DbSet<Rappmast>? rapp { get; set; }
+
+        public DbSet<Sostituzione>? Sost { get; set; }
+
+        public DbSet<Saldiart>? Saldi { get; set; }
+
+        public DbSet<Sto_Rapp>? StoRapp { get; set; }
+
+        public DbSet<Tecnici>? Tecnici { get; set; }
+        public DbSet<Sto_Imp>? StoImp { get; set; }
+
+        public DbSet<Timbratura>? Timbr { get; set; }
+
+        public DbSet<Commessa>? Commesse { get; set; }
+        #endregion
+
+
+
+        protected override void OnModelCreating(ModelBuilder modelBuilder)
+        {
+
+            void TryConfigureEntity(Action<ModelBuilder> configure, string entityName)
+            {
+                try
+                {
+                    configure(modelBuilder);
+                }
+                catch (Exception ex)
+                {
+                    Console.WriteLine($"Warning: Skipping entity '{entityName}' due to error: {ex.Message}");
+                }
+            }
+
+            TryConfigureEntity(mb => mb.Entity<Caus_Rapp>().ToView("API_CAUS_RAPP"), "API_CAUS_RAPP");
+
+            TryConfigureEntity(mb => mb.Entity<Chiusure>().ToView("API_CHIUSURE"), "API_CHIUSURE");
+
+            TryConfigureEntity(mb =>
+            {
+                mb.Entity<AziendaRif>().ToTable("PIAZIRIF");
+                mb.Entity<AziendaRif>().HasKey(table => new
+                {
+                    table.piazihoc,
+                    table.picodtec,
+                    table.pirifazi
+                });
+            }, "PIAZIRIF");
+
+            TryConfigureEntity(mb =>
+            {
+                mb.Entity<CC_CI>().ToTable("PIASSCHIU");
+                mb.Entity<CC_CI>().HasKey(table => new
+                {
+                    table.picodazi,
+                    table.picodint,
+                    table.picodchi
+                });
+            }, "PIASSCHIU");
+
+            TryConfigureEntity(mb => mb.Entity<CC_CIWiev>().ToView("API_ASSCHIU"), "API_ASSCHIU");
+
+            TryConfigureEntity(mb => mb.Entity<Chiamate>().ToView("API_CHIAMATE"), "API_CHIAMATE");
+
+            TryConfigureEntity(mb => mb.Entity<Anag>().ToView("API_CLIENTI"), "API_CLIENTI");
+
+            TryConfigureEntity(mb =>
+            {
+                mb.Entity<Compo_Impia_Table>().ToTable("DISCOMICOMIMP");
+                mb.Entity<Compo_Impia_Table>().HasKey(table => new
+                {
+                    table.cocodimp,
+                    table.cprownum,
+                    table.cocodazi
+                });
+            }, "DISCOMICOMIMP");
+
+            TryConfigureEntity(mb => mb.Entity<Compo_Impia>().ToView("API_MICOMIMP"), "API_MICOMIMP");
+
+            TryConfigureEntity(mb => mb.Entity<Impianto>().ToView("API_IMPIANTI"), "API_IMPIANTI");
+
+            TryConfigureEntity(mb =>
+            {
+                mb.Entity<Mag_New>().ToTable("DISCOMAG_NEW");
+                mb.Entity<Mag_New>().HasKey(table => new
+                {
+                    table.seriale_rapportino,
+                    table.riga
+                });
+            }, "DISCOMAG_NEW");
+
+            TryConfigureEntity(mb => mb.Entity<Magazzini>().ToTable("DISCOMAGAZZIN"), "DISCOMAGAZZIN");
+
+            TryConfigureEntity(mb => mb.Entity<Manprog>().ToView("API_MANPROG"), "API_MANPROG");
+
+            TryConfigureEntity(mb => mb.Entity<Pagam>().ToView("API_PAGAMENTI"), "API_PAGAMENTI");
+
+            TryConfigureEntity(mb =>
+            {
+                mb.Entity<Prese>().ToTable("PIPRESA");
+                mb.Entity<Prese>().HasKey(table => new
+                {
+                    table.picodazi,
+                    table.pimpianto,
+                    table.picodint,
+                    table.pidatman
+                });
+            }, "PIPRESA");
+
+            TryConfigureEntity(mb => mb.Entity<Rapp_New>().ToTable("RAPP_NEW"), "RAPP_NEW");
+
+            TryConfigureEntity(mb => mb.Entity<Rappmast>().ToView("API_RAPPORTINI"), "API_RAPPORTINI");
+
+            TryConfigureEntity(mb => mb.Entity<Saldiart>().ToView("API_SALDIART_PREZZI"), "API_SALDIART_PREZZI");
+
+            TryConfigureEntity(mb => mb.Entity<Sostituzione>().ToView("API_SOSTITUZIONI"), "API_SOSTITUZIONI");
+
+            TryConfigureEntity(mb => mb.Entity<Sto_Rapp>().ToView("API_STO_RAPP"), "API_STO_RAPP");
+
+            TryConfigureEntity(mb => mb.Entity<Tecnici>().ToView("API_TECNICI"), "API_TECNICI");
+
+            TryConfigureEntity(mb => mb.Entity<Timbratura>().ToTable("TIMBRATURE"), "TIMBRATURE");
+
+            TryConfigureEntity(mb => mb.Entity<Commessa>().ToView("API_COMMESSE"), "API_COMMESSE");
+
+            TryConfigureEntity(mb => mb.Entity<Sto_Imp>().ToView("API_STO_IMP"), "API_STO_IMP");
+
+
+        }
+    }
+}
diff --git a/ApiPolo/Interfaces/ITenantDbContext.cs b/ApiPolo/Interfaces/ITenantDbContext.cs
new file mode 100644
index 0000000..c4025ab
--- /dev/null
+++ b/ApiPolo/Interfaces/ITenantDbContext.cs
@@ -0,0 +1,32 @@
+using Microsoft.EntityFrameworkCore;
+using ApiPolo.Models;
+
+namespace ApiPolo.Interfaces
+{
+    public interface ITenantDbContext
+    {
+        DbSet<Caus_Rapp>? Causali { get; set; }
+        DbSet<Commessa>? Commesse { get; set; }
+        DbSet<Chiusure>? Chiusure { get; set; }
+        DbSet<AziendaRif>? Azi { get; set; }
+        DbSet<CC_CI>? ccci { get; set; }
+        DbSet<CC_CIWiev>? ccciWiev { get; set; }
+        DbSet<Chiamate>? Chiamate { get; set; }
+        DbSet<Anag>? Clienti { get; set; }
+        DbSet<Compo_Impia_Table>? Componen { get; set; }
+        DbSet<Impianto>? Impia { get; set; }
+        DbSet<Mag_New>? Mag { get; set; }
+        DbSet<Magazzini>? Magaz { get; set; }
+        DbSet<Manprog>? Manutenzioni { get; set; }
+        DbSet<Pagam>? Pagamenti { get; set; }
+        DbSet<Prese>? Prese { get; set; }
+        DbSet<Rapp_New>? Rapps { get; set; }
+        DbSet<Rappmast>? rapp { get; set; }
+        DbSet<Sostituzione>? Sost { get; set; }
+        DbSet<Saldiart>? Saldi { get; set; }
+        DbSet<Sto_Rapp>? StoRapp { get; set; }
+        DbSet<Tecnici>? Tecnici { get; set; }
+        DbSet<Timbratura>? Timbr { get; set; }
+        DbSet<Sto_Imp>? StoImp { get; set; }
+    }
+}
diff --git a/ApiPolo/Interfaces/ITenantDbContextFactory.cs b/ApiPolo/Interfaces/ITenantDbContextFactory.cs
new file mode 100644
index 0000000..f5054e1
--- /dev/null
+++ b/ApiPolo/Interfaces/ITenantDbContextFactory.cs
@@ -0,0 +1,9 @@
+using Microsoft.EntityFrameworkCore;
+
+namespace ApiPolo.Interfaces
+{
+    public interface ITenantDbContextFactory
+    {
+        ITenantDbContext GetDbContext(string tenant);
+    }
+}
diff --git a/ApiPolo/Interfaces/TenantDbContextFactory.cs b/ApiPolo/Interfaces/TenantDbContextFactory.cs
new file mode 100644
index 0000000..1c18d20
--- /dev/null
+++ b/ApiPolo/Interfaces/TenantDbContextFactory.cs
@@ -0,0 +1,31 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using ApiPolo.Interfaces;
+using System;
+using System.Collections.Generic;
+using static ApiPolo.Controllers.PoloController;
+using ApiPolo.Data;
+
+namespace ApiPolo.Services
+{
+    public class TenantDbContextFactory : ITenantDbContextFactory
+    {
+        private readonly IServiceProvider _serviceProvider;
+
+        public TenantDbContextFactory(IServiceProvider serviceProvider)
+        {
+            _serviceProvider = serviceProvider;
+        }
+
+        public ITenantDbContext GetDbContext(string tenant)
+        {
+            return tenant switch
+            {
+                Clienti.Maras => _serviceProvider.GetRequiredService<Maras_DbContext>(),
+                // Add other tenants as needed
+                // Clienti.AnotherTenant => _serviceProvider.GetRequiredService<AnotherTenant_DbContext>(),
+                _ => throw new KeyNotFoundException($"No DbContext found for tenant: {tenant}")
+            };
+        }
+    }
+}
diff --git a/ApiPolo/Models/Maras_DbContext/Maras_DbContext.cs b/ApiPolo/Models/Maras_DbContext/Maras_DbContext.cs
deleted file mode 100644
index 814510a..0000000
--- a/ApiPolo/Models/Maras_DbContext/Maras_DbContext.cs
+++ /dev/null
@@ -1,16 +0,0 @@
-using Microsoft.EntityFrameworkCore;
-
-namespace ApiPolo.Models.Maras_DbContext
-{
-    public class Maras_DbContext : DbContext
-    {
-        public DbSet<Caus_Rapp>? Causali { get; set; }
-        public DbSet<Chiusure>? Chiusure { get; set; }
-
-        protected override void OnModelCreating(ModelBuilder modelBuilder)
-        {
-            modelBuilder.Entity<Caus_Rapp>().ToView("API_CAUS_RAPP");
-            modelBuilder.Entity<Chiusure>().ToView("API_CHIUSURE");
-        }
-    }
-}
diff --git a/ApiPolo/Startup.cs b/ApiPolo/Startup.cs
index 20d2a89..9e7c94b 100644
--- a/ApiPolo/Startup.cs
+++ b/ApiPolo/Startup.cs
@@ -16,6 +16,8 @@ using ApiPolo.Models.VT_dbcontext;
 using ApiPolo.Models.Tedesco_dbcontext;
 using ApiPolo.Models.Lift_web_dbcontext;
 using ApiPolo.Models.Security_dbcontext;
+using ApiPolo.Interfaces;
+using ApiPolo.Data;
 
 namespace ApiPolo
 {
@@ -1013,6 +1015,13 @@ namespace ApiPolo
                     ));
                 #endregion
 
+                services.AddDbContext<Maras_DbContext>(options => options.UseSqlServer(Configuration.GetConnectionString("MARAS")
+                    , options => { options.CommandTimeout(commandTimeoutInSeconds); }
+                    ));
+
+                // FACTORY MUTI-TENANT
+                services.AddSingleton<ITenantDbContextFactory, TenantDbContextFactory>();
+
 
                 services.AddSwaggerGen(gen =>
                 {
diff --git a/ApiPolo/appsettings.json b/ApiPolo/appsettings.json
index 3281992..889cc17 100644
--- a/ApiPolo/appsettings.json
+++ b/ApiPolo/appsettings.json
@@ -55,7 +55,9 @@
     /*"SYSCOM": "Data Source=docker1.polo;Initial Catalog= AHRW_SYSCOM;User Id=sa; Password=p0l01nf.;Integrated Security=False;ApplicationIntent=ReadWrite;MultiSubnetFailover=False",*/
     "SYSCOM": "Data Source=dbsql01.poloinformatico.it;Initial Catalog= AHRW_SYSCOM;User Id=syscom; Password=4@QLHV?cpVYbr+GB;Integrated Security=False;ApplicationIntent=ReadWrite;MultiSubnetFailover=False",
 
-    "TEDESCO": "Data Source=MARCO_PC\\SQL_2022;Initial Catalog= AHR_TEDESCO;User Id=sa; Password=p0l01nf.;Integrated Security=False;ApplicationIntent=ReadWrite;MultiSubnetFailover=False"
+    "TEDESCO": "Data Source=MARCO_PC\\SQL_2022;Initial Catalog= AHR_TEDESCO;User Id=sa; Password=p0l01nf.;Integrated Security=False;ApplicationIntent=ReadWrite;MultiSubnetFailover=False",
+
+    "MARAS": "Data Source=docker1.polo;Initial Catalog= AHRW_MARAS;User Id=sa; Password=p0l01nf.;Integrated Security=False;ApplicationIntent=ReadWrite;MultiSubnetFailover=False;Encrypt=False"
   },
   "JWT": {
     "ValidAudience": "http://localhost:4200",