res = self.ldb_admin.search(base=self.base_dn, expression="distinguishedName=%s" % self.base_dn, \
attrs=['msDS-Behavior-Version'])
res = int(res[0]['msDS-Behavior-Version'][0])
res = self.ldb_admin.search(base=self.base_dn, expression="distinguishedName=%s" % self.base_dn, \
attrs=['msDS-Behavior-Version'])
res = int(res[0]['msDS-Behavior-Version'][0])