diff --git a/MP.Data/Repository/IOC/IIocRepository.cs b/MP.Data/Repository/IOC/IIocRepository.cs
index eb74fdde..60537ec1 100644
--- a/MP.Data/Repository/IOC/IIocRepository.cs
+++ b/MP.Data/Repository/IOC/IIocRepository.cs
@@ -34,6 +34,13 @@ namespace MP.Data.Repository.IOC
         /// <returns></returns>
         Task<bool> EvListMicroStatoInsertAsync(MicroStatoMacchinaModel newRecMsm, EventListModel newRecEv);
 
+        /// <summary>
+        /// Aggiornamento record Microstato macchina
+        /// </summary>
+        /// <param name="newRec"></param>
+        /// <returns></returns>
+        Task<bool> MicroStatoMacchinaUpsertAsync(MicroStatoMacchinaModel newRec);
+
         #endregion Public Methods
     }
 }
\ No newline at end of file
diff --git a/MP.Data/Repository/IOC/IocRepository.cs b/MP.Data/Repository/IOC/IocRepository.cs
index b2f5d65e..cbf3a1b8 100644
--- a/MP.Data/Repository/IOC/IocRepository.cs
+++ b/MP.Data/Repository/IOC/IocRepository.cs
@@ -102,9 +102,9 @@ namespace MP.Data.Repository.IOC
         /// <inheritdoc />
         public async Task<bool> EvListMicroStatoInsertAsync(MicroStatoMacchinaModel newRecMsm, EventListModel newRecEv)
         {
-            // eseguo in transazione...
             await using var dbCtx = await CreateContextAsync();
-            await using var tx = await dbCtx.Database.BeginTransactionAsync(IsolationLevel.ReadCommitted);
+            //// eseguo in transazione...
+            //await using var tx = await dbCtx.Database.BeginTransactionAsync(IsolationLevel.ReadCommitted);
 
             try
             {
@@ -132,17 +132,48 @@ namespace MP.Data.Repository.IOC
 
                 // EF Core 8 raggruppa automaticamente INSERT/UPDATE in un batch
                 var rowsAffected = await dbCtx.SaveChangesAsync();
-                await tx.CommitAsync();
+                //await tx.CommitAsync();
 
                 return rowsAffected > 0;
             }
-            catch
+            catch (Exception ex)
             {
-                await tx.RollbackAsync();
+                //await tx.RollbackAsync();
+                // Log dettagliato errore
+                Log.Error(ex, $"Errore in EvListMicroStatoInsertAsync: {newRecEv.IdxMacchina}");
                 throw;
             }
         }
 
+        public async Task<bool> MicroStatoMacchinaUpsertAsync(MicroStatoMacchinaModel newRec)
+        {
+            bool fatto = false;
+            using var dbCtx = new MoonProContext(options);
+
+            var actRec = await dbCtx
+                                .DbSetMicroStatoMacc
+                                .Where(x => x.IdxMacchina == newRec.IdxMacchina)
+                                .AsNoTracking()
+                                .FirstOrDefaultAsync();
+            if (actRec == null)
+            {
+                dbCtx
+                    .DbSetMicroStatoMacc
+                    .Add(newRec);
+            }
+            else
+            {
+                actRec.IdxMicroStato = newRec.IdxMicroStato;
+                actRec.InizioStato = newRec.InizioStato;
+                actRec.Value = newRec.Value;
+
+                dbCtx.Entry(actRec).State = EntityState.Modified;
+            }
+            fatto = await dbCtx.SaveChangesAsync() > 0;
+
+            return fatto;
+        }
+
         #endregion Public Methods
 
         #region Protected Fields