diff --git a/pym/install/variables/system.py b/pym/install/variables/system.py
index 8ef69c4..011137f 100644
--- a/pym/install/variables/system.py
+++ b/pym/install/variables/system.py
@@ -421,6 +421,23 @@ class VariableClMigrateAdmin(UserHelper, Variable):
         return map(lambda x: x if x else self.default_value, value)
 
 
+class VariableOsAvailableGroups(ReadonlyVariable):
+    """
+    Список доступных в дистрибутиве групп
+    """
+    type = 'list'
+
+    def get(self):
+        image = self.Get('cl_image')
+        if image:
+            with image:
+                try:
+                    distrPath = image.getDirectory()
+                    return getGroups(distrPath)
+                except DistributiveError:
+                    pass
+        return getGroups()
+
 class VariableClMigrateUserGroups(UserHelper, Variable):
     """
     Migrate users groups
@@ -442,15 +459,17 @@ class VariableClMigrateUserGroups(UserHelper, Variable):
             return value
 
     def getDefaultGroups(self):
-        return list(set(self.defaultGroupList) & set(getGroups()))
+        return list(set(self.defaultGroupList) & set(self.Get('os_available_groups')))
 
     def init(self):
         self.label = _("Groups")
 
     def process_groups(self, values):
+        groupslist = list(set(self.defaultGroupList) 
+            & set(self.Get('os_available_groups')))
         for value in values:
             if value == self.default_value:
-                for i in self.defaultGroupList:
+                for i in groupslist:
                     yield i
             else:
                 yield value