diff --git a/CVCncLib/Modules/ComCNOsaiVB6.vb b/CVCncLib/Modules/ComCNOsaiVB6.vb
index 1d0793d6..9f24b97e 100644
--- a/CVCncLib/Modules/ComCNOsaiVB6.vb
+++ b/CVCncLib/Modules/ComCNOsaiVB6.vb
@@ -14,13 +14,13 @@ Public Class ComCNOSAIVB6
 
     Inherits ComCNOsai
 
-    Public Sub New(ByRef szRemoteName As String, ByRef b_debug As Boolean)
+  Public Sub New(ByVal szRemoteName As String, ByVal b_debug As Boolean)
 
-        MyBase.New(szRemoteName, b_debug)
+    MyBase.New(szRemoteName, b_debug)
 
-    End Sub
+  End Sub
 
-    Public Overrides Function OpenSession() As Boolean
+  Public Overrides Function OpenSession() As Boolean
 
         Dim nReturn As Short
 
diff --git a/CVCncLib/testSam.dll b/CVCncLib/testSam.dll
index c63c3c77..e13ee8be 100644
Binary files a/CVCncLib/testSam.dll and b/CVCncLib/testSam.dll differ
diff --git a/IOB-UT/baseUtils.cs b/IOB-UT/baseUtils.cs
index 44a43fba..a063594e 100644
--- a/IOB-UT/baseUtils.cs
+++ b/IOB-UT/baseUtils.cs
@@ -709,6 +709,10 @@ namespace IOB_UT
     /// </summary>
     OSAI_OPEN,
     /// <summary>
+    /// Adapter OSAI VB6
+    /// </summary>
+    OSAI_VB6,
+    /// <summary>
     /// Adapter SIEMENS
     /// </summary>
     SIEMENS,
diff --git a/IOB-WIN/IobOSAI.cs b/IOB-WIN/IobOSAI.cs
index 8d15e964..64a3ece5 100644
--- a/IOB-WIN/IobOSAI.cs
+++ b/IOB-WIN/IobOSAI.cs
@@ -252,6 +252,10 @@ namespace IOB_WIN
       {
         OSAI_ref = new Open_Series(IOBConf.cncIpAddr, false);
       }
+      else if (IOBConf.tipoIob == tipoAdapter.OSAI_VB6)
+      {
+        OSAI_ref = new ComCNOSAIVB6(IOBConf.cncIpAddr, false);
+      }
       else
       {
         OSAI_ref = new ComCNOsai(IOBConf.cncIpAddr, false);
diff --git a/Jenkinsfile b/Jenkinsfile
index 6dc6c8e8..fd5af76e 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -16,7 +16,7 @@ pipeline {
 
       /* calcolo numero versione... diverso x branch MASTER/DEVELOP */
       script {
-        withEnv(['NEXT_BUILD_NUMBER=302']) {
+        withEnv(['NEXT_BUILD_NUMBER=303']) {
           // env.versionNumber = VersionNumber(versionNumberString : '1.18.${BUILD_DATE_FORMATTED, "yyMM"}.${BUILDS_ALL_TIME}', projectStartDate : '2006-01-01', skipFailedBuilds: true)
           env.versionNumber = VersionNumber(versionNumberString : '1.18.${BUILD_DATE_FORMATTED, "yyMM"}.${BUILDS_ALL_TIME}', projectStartDate : '2006-01-01', skipFailedBuilds: true, overrideBuildsAllTime: '${NEXT_BUILD_NUMBER}')
           env.APP_NAME = 'MAPO-IOB-WIN'