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NDMP Backup is failing to establish data connection (NDMP_CAB_NO_ADDRESS_ERR)

Last Updated:

Applies to

  • ONTAP 9.x
  • Network Data Management Protocol (NDMP)
  • Cluster Aware Backup (CAB)
  • Data Management Agent (DMA)


  • After successfully connecting the control connection to the ONTAP Cluster the NDMP backup log shows Error "NDMP_CAB_NO_ADDRESS_ERR" when trying to prepare the Data Connection for CAB.
  • DMA request:
[kern_ndmpd:info:6201] [12345] DEBUG:DMA>>S V4 sequence=15 (0xf)
[kern_ndmpd:info:6201] [12345] DEBUG:     Time_stamp=0x65c0bd9a (Feb 5 10:51:06 2024)
[kern_ndmpd:info:6201] [12345] DEBUG:     message type=0 (NDMP4_MESSAGE_REQUEST)
[kern_ndmpd:info:6201] [12345] DEBUG:     message_code=0x20520001 (NDMP_CAB_DATA_CONN_PREPARE)
[kern_ndmpd:info:6201] [12345] DEBUG:     reply_sequence=0 (0x0)
[kern_ndmpd:info:6201] [12345] DEBUG:     error_code=0 (NDMP4_NO_ERR)
[kern_ndmpd:info:6201] [12345] DEBUG:     addr_type=542179332 (NDMP4_ADDR_TCP_IPV6) butype_name='dump' env_len=16 (0x10)
  • Cluster Response:
[kern_ndmpd:info:6201] [12345] DEBUG: DMA<<S V4 sequence=17 (0x11)
[kern_ndmpd:info:6201] [12345] DEBUG:     Time_stamp=0x65c0bd9a (Feb 5 10:51:06 2024)
[kern_ndmpd:info:6201] [12345] DEBUG:     message type=1 (NDMP4_MESSAGE_REPLY)
[kern_ndmpd:info:6201] [12345] DEBUG:     message_code=0x20520001 (NDMP_CAB_DATA_CONN_PREPARE)
[kern_ndmpd:info:6201] [12345] DEBUG:     reply_sequence=15 (0xf)
[kern_ndmpd:info:6201] [12345] DEBUG:     error_code=0 (NDMP4_NO_ERR)
[kern_ndmpd:info:6201] [12345] DEBUG:     error=542244865 (NDMP_CAB_NO_ADDRESS_ERR)

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