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CIFS SVM is experiencing issues contacting DNS after upgrade

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Category:
ontap-9
Specialty:
nas
Last Updated:

Applies to

  • ONTAP 9
  • CIFS
  • SVM-DR

Issue

  • After upgrade from ONTAP 9.7P17 to 9.8P18 CIFS SVM cannot contact DNS or resolve NTFS permissions

secd.dns.server.timed.out:debug
secd.dns.srv.lookup.failed:debug
  • cifs check shows DC server status as down and: 

STATUS DETAILS: Error: no connections available / Unable to contact DNS

Example:

::> cifs check -vserver svm1

Vserver : svm1
Cifs NetBIOS Name : svm1_cifs
Cifs Status : Running
Site :

Node Name DC Server Name DC Server IP Status Status Details
--------- -------------- ------------ ------ --------------
node-01 domain.local - down SecD Error: no connections available
node-02 domain.local - down SecD Error: no connections available
2 entries were displayed.
  • EMS:
kernel: netinet.ethr.duplct.ipAdrr:error]: Duplicate IP address
  • LIF migration has been used a temporary workaround but issue reocurrs a few days later
  • SVM is part of a SVM-DR relationship

 

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