diff --git a/DllMain.h b/DllMain.h
index 1f46ef2..867b9f3 100644
--- a/DllMain.h
+++ b/DllMain.h
@@ -21,3 +21,4 @@
 std::string GetEMkVer( void) ;
 ILogger* GetEMkLogger( void) ;
 const std::string& GetEMkKey( void) ;
+bool GetEMkNetHwKey( void) ;
diff --git a/EMkDllMain.cpp b/EMkDllMain.cpp
index ed30544..ed18039 100644
--- a/EMkDllMain.cpp
+++ b/EMkDllMain.cpp
@@ -98,6 +98,7 @@ GetEMkLogger( void)
 
 //-----------------------------------------------------------------------------
 static std::string s_sKey ;
+static bool s_bNetHwKey = false ;
 
 //-----------------------------------------------------------------------------
 void
@@ -106,9 +107,23 @@ SetEMkKey( const std::string& sKey)
    s_sKey = sKey ;
 }
 
+//-----------------------------------------------------------------------------
+void
+SetEMkNetHwKey( bool bNetHwKey)
+{
+   s_bNetHwKey = bNetHwKey ;
+}
+
 //-----------------------------------------------------------------------------
 const std::string&
 GetEMkKey( void)
 {
    return s_sKey ;
 }
+
+//-----------------------------------------------------------------------------
+bool
+GetEMkNetHwKey( void)
+{
+   return s_bNetHwKey ;
+}
diff --git a/EgtMachKernel.rc b/EgtMachKernel.rc
index 966ab62..e3d9210 100644
Binary files a/EgtMachKernel.rc and b/EgtMachKernel.rc differ
diff --git a/Generator.cpp b/Generator.cpp
index 19b9c56..8457ed1 100644
--- a/Generator.cpp
+++ b/Generator.cpp
@@ -47,11 +47,18 @@ bool
 Generator::Run( const string& sCncFile, const string& sInfo)
 {
   // verifico sia abilitato dalla licenza
-   unsigned int nOpt1, nOpt2 ;
-   int nOptExpDays ;
-   int nRet = GetKeyOptions( GetEMkKey(), KEY_BASELIB_PROD, KEY_BASELIB_VER, KEY_BASELIB_LEV,
-                             nOpt1, nOpt2, nOptExpDays) ;
-   if ( nRet == KEY_OK  &&  ( nOpt1 & KEYOPT_EMK_NC_OFF) == 0) {
+   bool bEnabled = false ;
+   if ( GetEMkNetHwKey()) {
+      bEnabled = true ;
+   }
+   else {
+      unsigned int nOpt1, nOpt2 ;
+      int nOptExpDays ;
+      int nRet = GetKeyOptions( GetEMkKey(), KEY_BASELIB_PROD, KEY_BASELIB_VER, KEY_BASELIB_LEV,
+                                nOpt1, nOpt2, nOptExpDays) ;
+      bEnabled = ( nRet == KEY_OK  &&  ( nOpt1 & KEYOPT_EMK_NC_OFF) == 0) ;
+   }
+   if ( bEnabled) {
 
      // emetto info di log
       { string sOut = "Generator Run : " + sCncFile ;
diff --git a/MachMgrBasic.cpp b/MachMgrBasic.cpp
index ae9c0a8..4595292 100644
--- a/MachMgrBasic.cpp
+++ b/MachMgrBasic.cpp
@@ -30,7 +30,7 @@ IMachMgr*
 CreateMachMgr( void)
 {
   // verifico la chiave e le opzioni
-   if ( ! TestKeyForEMk( GetEMkKey(), 0, GetEMkLogger()))
+   if ( ! GetEMkNetHwKey()  &&  ! TestKeyForEMk( GetEMkKey(), 0, GetEMkLogger()))
       return nullptr ;
   // creo il MachMgr 
    return static_cast<IMachMgr*> ( new(nothrow) MachMgr) ;