diff --git a/genweb/organs/browser/utils.py b/genweb/organs/browser/utils.py
index e5d1c641..37a50859 100644
--- a/genweb/organs/browser/utils.py
+++ b/genweb/organs/browser/utils.py
@@ -5,6 +5,42 @@
 from genweb.organs.interfaces import IGenwebOrgansLayer
 import json
 import transaction
+from Products.statusmessages.interfaces import IStatusMessage
+
+
+class changeMigrated(grok.View):
+    # Change migrated property of sessions.
+    # No se pueden editar sessiones de la versión antigua, pero
+    # en algunos casos, nos han pedido que se pueda...
+    # Este código cambia el valor de la propiedad para eso
+    grok.context(IDexterityContent)
+    grok.name('change_migrated_to')
+    grok.require('cmf.ManagePortal')
+    grok.layer(IGenwebOrgansLayer)
+
+    def render(self):
+        # http:/session_url/change_migrated_to?value=False
+        messages = IStatusMessage(self.request)
+        if self.context.portal_type == 'genweb.organs.sessio':
+            if self.request['value'] == 'True':
+                elements = api.content.find(path=self.context.absolute_url_path())
+                for item in elements:
+                    value = item.getObject()
+                    value.migrated = True
+                    transaction.commit()
+            elif self.request['value'] == 'False':
+                elements = api.content.find(path=self.context.absolute_url_path())
+                for item in elements:
+                    value = item.getObject()
+                    value.migrated = False
+                    transaction.commit()
+            else:
+                return
+
+            messages.add('migrated property set to: ' + str(self.request['value']), type='warning')
+            self.request.response.redirect(self.context.absolute_url())
+        else:
+            pass
 
 
 class changeInitialProposalPoint(grok.View):
diff --git a/genweb/organs/browser/views.py b/genweb/organs/browser/views.py
index b3a1f253..824feaae 100644
--- a/genweb/organs/browser/views.py
+++ b/genweb/organs/browser/views.py
@@ -137,10 +137,14 @@ def __call__(self):
 class Move(BrowserView):
 
     def __call__(self):
-        migrated = hasattr(self.context, 'migrated')
-        if migrated is True:
-            # Don't give option to modify numbers
-            return
+        migrated_property = hasattr(self.context, 'migrated')
+        if migrated_property:
+            if self.context.migrated is True:
+                return
+
+        # Disable CSRF
+        alsoProvides(self.request, IDisableCSRFProtection)
+
         ordering = getOrdering(self.context)
         # authenticator = getMultiAdapter((self.context, self.request),
         #                                 name=u"authenticator")
@@ -334,10 +338,10 @@ class ReloadAcords(BrowserView):
     def __call__(self):
         """ This call reassign the correct proposalPoints to the contents in this folder
         """
-        migrated = hasattr(self.context, 'migrated')
-        if migrated is True:
-            # Don't give option to modify numbers
-            return
+        migrated_property = hasattr(self.context, 'migrated')
+        if migrated_property:
+            if self.context.migrated is True:
+                return
 
         # Disable CSRF
         alsoProvides(self.request, IDisableCSRFProtection)
@@ -396,7 +400,7 @@ def __call__(self):
 
             index = index + 1
 
-        self.request.response.redirect(self.context.absolute_url())
+        return self.request.response.redirect(self.context.absolute_url())
 
 
 class ReloadPoints(BrowserView):
@@ -404,10 +408,10 @@ class ReloadPoints(BrowserView):
     def __call__(self):
         """ This call reassign the correct Point number to the contents in this folder
         """
-        migrated = hasattr(self.context, 'migrated')
-        if migrated is True:
-            # Don't give option to modify numbers
-            return
+        migrated_property = hasattr(self.context, 'migrated')
+        if migrated_property:
+            if self.context.migrated is True:
+                return
 
         # Disable CSRF
         alsoProvides(self.request, IDisableCSRFProtection)
@@ -443,7 +447,7 @@ def __call__(self):
 
             index = index + 1
 
-        self.request.response.redirect(self.context.absolute_url())
+        return self.request.response.redirect(self.context.absolute_url())
 
 
 class changeActualState(BrowserView):
@@ -490,6 +494,7 @@ def __call__(self):
                 addEntryLog(self.context, None, _(u'Changed acord color state'), itemid + ' → ' + estat)  # add log
         except:
             pass
+        return
 
 
 class changeSubpuntState(BrowserView):
@@ -499,6 +504,7 @@ class changeSubpuntState(BrowserView):
     def __call__(self):
         # Disable CSRF
         alsoProvides(self.request, IDisableCSRFProtection)
+
         portal_catalog = getToolByName(self, 'portal_catalog')
         estat = self.request.form.get('estat')
         itemid = self.request.form.get('id')
@@ -516,6 +522,8 @@ def __call__(self):
             else:
                 addEntryLog(self.context, None, _(u'Changed acord intern state color'), currentitem[0].getPath() + ' → ' + estat)  # add log
 
+        return
+
 
 class Butlleti(BrowserView):
     __call__ = ViewPageTemplateFile('views/butlleti.pt')
diff --git a/genweb/organs/content/manualimport.py b/genweb/organs/content/manualimport.py
index 4fc98b65..231cf848 100644
--- a/genweb/organs/content/manualimport.py
+++ b/genweb/organs/content/manualimport.py
@@ -47,9 +47,10 @@ def update(self):
         """ Return true if user is Editor or Manager, but if the session """
         """ came from the previous version, then make impossible to """
         """ create new elements """
-        migrated = hasattr(self.context, 'migrated')
-        if migrated is True:
-            raise Unauthorized
+        migrated_property = hasattr(self.context, 'migrated')
+        if migrated_property:
+            if self.context.migrated is True:
+                raise Unauthorized
 
         try:
             username = api.user.get_current().id
diff --git a/genweb/organs/content/sessio.py b/genweb/organs/content/sessio.py
index c7f5df14..f85fa07c 100644
--- a/genweb/organs/content/sessio.py
+++ b/genweb/organs/content/sessio.py
@@ -224,9 +224,11 @@ def viewHistory(self):
 
     def canModify(self):
         # If item is migrated, it can't be modified
-        migrated = hasattr(self.context, 'migrated')
-        if migrated is True:
-            return False
+        migrated_property = hasattr(self.context, 'migrated')
+        if migrated_property:
+            if self.context.migrated is True:
+                return False
+
         # But if not migrated, check permissions...
         review_state = api.content.get_state(self.context)
         value = False