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"mgwd: nameserv.ddns.bulk.failure:debug" due to lack of permission

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Category:
ontap-9
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nas
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Applies to

  • ONTAP 9
  • DDNS

Issue

  • Multiple entries in EMS similar to:

[?]  Thu Aug 31 09:09:09 -0900 [node-01: mgwd: nameserv.ddns.bulk.failure:debug]: DDNS add operation has failed for all or some of the logical interfaces having FQDN "svm_01.sub.net" for Vserver "svm_01".

  • Unable to update the DNS entry by manually triggering a DDNS add operation

::> vserver services name-service dns dynamic-update record add -vserver svm_01 -LIF svm_01_data_lif     

Error: command failed: failed to send DNS update

  • Signature in packet trace
    • Ensure that ONTAP will send the DDNS add request to only a single DNS server

::> vserver services name-service dns modify -vserver <> -domains <> -name-servers <IP of single DNS server>

  • capture packet trace, filtering for the single DNS server

::> network trace start -node <> -port <> -address <IP of single DNS server>

  • reproduce the error
  • the packet trace shows that the Dynamic update response frame has the flag Refused
  • Indication in DNS Manager
    • open DNS Manager
    • right-click the DNS entry
    • click Properties
    • click Security
    • the Security tab shows that the SVM's machine account is not in the list of authorized users

 

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