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Intermittent CIFS authentication failures

Applies to

  • ONTAP 9


  • Intermittent CIFS authentication failures
  • Packet traces show CIFS Session Setup Requests receiving Error: STATUS_INTERNAL_ERROR
  • EMS messages indicating CIFS Session Setup (SMB2_COM_SESSION_SETUP) has timed out with a suspension count of '1' ('suspensionCnt:'1'):

Wed Sep 24 10:11:27 GMT [CLUSTER-05: kernel: Nblade_CifsOperationTimedOut_1:error]: params: {'remoteBladeID':'00000000000000000000000000000000', 'cmdRestartCnt': '0', 'vserverId': '5', 'commandName': 'SMB2_COM_SESSION_SETUP', 'isQosEnabled': 'QoS_disabled', 'lastSpinNpError': 'SPINNP_NO_FO_ERROR', 'localIpAddress': '', 'lastCsmError': 'CSM_OK', 'clientIpAddress': '', 'suspensionCnt': '1', 'dsId': '0'} 



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