After upgradation to version 5.0 no admin-user can access the portal

Execution of command ‘’ has failed:

Traceback (most recent call last):
File “/usr/lib/pymodules/python2.7/univention/management/console/base.py”, line 249, in execute
function.func(self, request, *args, **kwargs)
File “/usr/lib/pymodules/python2.7/univention/management/console/protocol/session.py”, line 959, in _authentication_finished2
self.initalize_processor(request)
File “/usr/lib/pymodules/python2.7/univention/management/console/protocol/session.py”, line 996, in initalize_processor
self.processor.set_credentials(**self.__credentials)
File “/usr/lib/pymodules/python2.7/univention/management/console/protocol/session.py”, line 171, in set_credentials
self._search_user_dn()
File “/usr/lib/pymodules/python2.7/univention/management/console/protocol/session.py”, line 190, in _search_user_dn
if self.lo and self._username:
File “/usr/lib/pymodules/python2.7/univention/management/console/protocol/session.py”, line 152, in lo
return get_machine_connection(write=False)[0]
File “/usr/lib/pymodules/python2.7/univention/management/console/ldap.py”, line 100, in get_machine_connection
return connection()
File “/usr/lib/pymodules/python2.7/univention/management/console/ldap.py”, line 140, in _decorated
kwargs[loarg], kwargs[poarg] = lo, po = getter()
File “/usr/lib/pymodules/python2.7/univention/management/console/ldap.py”, line 130, in getter
conn = connection()
File “/usr/lib/pymodules/python2.7/univention/management/console/ldap.py”, line 63, in connection
return _getMachineConnection(**kwargs)
File “/usr/lib/pymodules/python2.7/univention/admin/uldap.py”, line 147, in getMachineConnection
lo = univention.uldap.getMachineConnection(start_tls, decode_ignorelist=decode_ignorelist, ldap_master=ldap_master)
File “/usr/lib/pymodules/python2.7/univention/uldap.py”, line 91, in getMachineConnection
return access(host=ucr[‘ldap/server/name’], port=port, base=ucr[‘ldap/base’], binddn=ucr[‘ldap/hostdn’], bindpw=bindpw, start_tls=start_tls, decode_ignorelist=decode_ignorelist, reconnect=reconnect)
File “/usr/lib/pymodules/python2.7/univention/uldap.py”, line 152, in init
self.__open(ca_certfile)
File “/usr/lib/pymodules/python2.7/univention/uldap.py”, line 206, in __open
self.lo.simple_bind_s(self.binddn, self.__encode_pwd(self.bindpw))
File “/usr/lib/python2.7/dist-packages/ldap/ldapobject.py”, line 879, in simple_bind_s
res = self._apply_method_s(SimpleLDAPObject.simple_bind_s,*args,**kwargs)
File “/usr/lib/python2.7/dist-packages/ldap/ldapobject.py”, line 860, in _apply_method_s
return func(self,*args,**kwargs)
File “/usr/lib/python2.7/dist-packages/ldap/ldapobject.py”, line 215, in simple_bind_s
resp_type, resp_data, resp_msgid, resp_ctrls = self.result3(msgid,all=1,timeout=self.timeout)
File “/usr/lib/python2.7/dist-packages/ldap/ldapobject.py”, line 476, in result3
resp_ctrl_classes=resp_ctrl_classes
File “/usr/lib/python2.7/dist-packages/ldap/ldapobject.py”, line 483, in result4
ldap_result = self._ldap_call(self._l.result4,msgid,all,timeout,add_ctrls,add_intermediates,add_extop)
File “/usr/lib/python2.7/dist-packages/ldap/ldapobject.py”, line 106, in _ldap_call
result = func(*args,**kwargs)
INVALID_CREDENTIALS: {‘desc’: ‘Invalid credentials’}[/img]