diff --git a/IOB-WIN/DATA/CONF/EM63.json b/IOB-WIN/DATA/CONF/EM63.json
index e0bcf46f..f8f9aceb 100644
--- a/IOB-WIN/DATA/CONF/EM63.json
+++ b/IOB-WIN/DATA/CONF/EM63.json
@@ -108,7 +108,7 @@
             "RetrySec": 30,
             "SessionName": "SESS0004",
             "SessionType": "GetStatus",
-            "ValidityMinutes": 1.0,
+            "ValidityMinutes": 5.0,
             "Max2Keep": 120,
             "StepOrder": 4,
             "FileList": [
@@ -128,7 +128,7 @@
             "RetrySec": 30,
             "SessionName": "SESS0005",
             "SessionType": "GetProduction",
-            "ValidityMinutes": 1.0,
+            "ValidityMinutes": 5.0,
             "Max2Keep": 120,
             "StepOrder": 5,
             "FileList": [
diff --git a/IOB-WIN/IobFileEurom63.cs b/IOB-WIN/IobFileEurom63.cs
index 2cbd8f94..a4631db4 100644
--- a/IOB-WIN/IobFileEurom63.cs
+++ b/IOB-WIN/IobFileEurom63.cs
@@ -7,6 +7,7 @@ using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
 using System.Linq;
+using System.Text.RegularExpressions;
 using System.Threading;
 using System.Windows.Forms;
 
@@ -41,12 +42,6 @@ namespace IOB_WIN
         /// </summary>
         protected int maxDelaySec = 59;
 
-        #endregion Protected Fields
-
-        //protected int maxDelaySec = 3600 * 24;
-
-        #region Public Constructors
-
         /// <summary>
         /// Estende l'init della classe base...
         /// </summary>
@@ -57,7 +52,7 @@ namespace IOB_WIN
             lgInfo("INIT IobFileEurom63");
             appPath = Path.GetDirectoryName(Application.ExecutablePath);
 #if DEBUG
-            maxDelaySec = 60 * 24;
+            maxDelaySec = 60*60 * 24;
 #endif
         }
 
@@ -79,7 +74,7 @@ namespace IOB_WIN
                 if (!currSession.Active || currSession.SessionValidUntil < adesso)
                 {
                     // elimino TUTTE le risposte...
-                    cleanupResp();
+                    cleanupResp(currSession.SessionName);
                     // imposto livello...
                     actLevel = Eurom63.ComLevel.ChannelOk;
                 }
@@ -358,8 +353,10 @@ namespace IOB_WIN
                 default:
                     break;
             }
-
-            lgInfo("DONE checkCommStatus");
+            if (utils.CRB("verbose"))
+            {
+                lgInfo($"DONE checkCommStatus | actLevel {actLevel}");
+            }
             raiseRefresh(currDispData);
         }
 
@@ -379,6 +376,7 @@ namespace IOB_WIN
             }
         }
 
+#if false
         /// <summary>
         /// Pulizia folder da tutti i file RSP
         /// </summary>
@@ -390,6 +388,7 @@ namespace IOB_WIN
                 File.Delete(file);
             }
         }
+#endif
 
         /// <summary>
         /// Pulizia folder dai file RSP della sessione
@@ -482,13 +481,26 @@ namespace IOB_WIN
                             string fileName = $"{BaseDir}\\{sessProd.SessionName}.DAT";
                             if (File.Exists(fileName))
                             {
+#if false
                                 // leggo il file...
                                 string[] rawLines = File.ReadAllLines(fileName);
                                 int numRow = rawLines.Length;
+#endif
+
+                                string rawData = "";
+                                using (var fileStream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+                                using (var textReader = new StreamReader(fileStream))
+                                {
+                                    rawData = textReader.ReadToEnd();
+                                }
+                                // ora splitto in linee
+                                string[] rawLines = Regex.Split(rawData, "\r\n|\r|\n");
+                                int numRow = rawLines.Length;
+
                                 // devo avere almeno 2 righe...
                                 if (numRow >= 2)
                                 {
-                                    string[] statusData = rawLines[numRow - 1].Split(',');
+                                    string[] statusData = rawLines[1].Split(',');
                                     currPzCount = statusData[2].Trim();
                                     // salvo se valido
                                     if (!string.IsNullOrEmpty(currPzCount))
@@ -608,13 +620,26 @@ namespace IOB_WIN
                                 string fileName = $"{BaseDir}\\{sessStatus.SessionName}.DAT";
                                 if (File.Exists(fileName))
                                 {
+#if false
                                     // leggo il file...
                                     string[] rawLines = File.ReadAllLines(fileName);
                                     int numRow = rawLines.Length;
+#endif
+
+                                    string rawData = "";
+                                    using (var fileStream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+                                    using (var textReader = new StreamReader(fileStream))
+                                    {
+                                        rawData = textReader.ReadToEnd();
+                                    }
+                                    // ora splitto in linee
+                                    string[] rawLines = Regex.Split(rawData, "\r\n|\r|\n");
+                                    int numRow = rawLines.Length;
+
                                     // devo avere almeno 2 righe...
                                     if (numRow >= 2)
                                     {
-                                        string[] statusData = rawLines[numRow - 1].Split(',');
+                                        string[] statusData = rawLines[1].Split(',');
                                         currStatus = statusData[2].Trim();
                                         if (!string.IsNullOrEmpty(currStatus))
                                         {
diff --git a/Jenkinsfile b/Jenkinsfile
index 7b369ebf..6584cc93 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -9,7 +9,7 @@ pipeline {
       steps {
       /* calcolo numero versione... diverso x branch MASTER/DEVELOP */
       script {
-        withEnv(['NEXT_BUILD_NUMBER=710']) {
+        withEnv(['NEXT_BUILD_NUMBER=711']) {
           // env.versionNumber = VersionNumber(versionNumberString : '3.3.${BUILD_DATE_FORMATTED, "yyMM"}.${BUILDS_ALL_TIME}', projectStartDate : '2006-01-01', skipFailedBuilds: true)
           env.versionNumber = VersionNumber(versionNumberString : '3.3.${BUILD_DATE_FORMATTED, "yyMM"}.${BUILDS_ALL_TIME}', projectStartDate : '2006-01-01', skipFailedBuilds: true, overrideBuildsAllTime: '${NEXT_BUILD_NUMBER}')
           env.APP_NAME = 'MAPO-IOB-WIN'