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CIFS password change fails silently leading to secd: secd.kerberos.preauth:error after Microsoft April 2022 Hotfixes

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Votes:
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Category:
ontap-9
Specialty:
nas
Last Updated:

Applies to

  • ONTAP 9
  • CIFS
  • Active Directory
  • CVE-2021-42287

Issue

  • When the vserver cifs domain password schedule is enabled, it silently fails.
  • Event logs indicates below error

Sat Apr 16 03:00:00 +0800 [cluster1-01: secd: secd.kerberos.preauth:error]: Kerberos pre-authentication failure due to out-of-sync machine account password for vserver (svm1).

  • CIFS client access fails with secd.log error KRB5KDC_ERR_PREAUTH_FAILED
  • The following commands fail as well:
    • vserver cifs domain password change
    • vserver cifs domain password schedule
    • vserver cifs security modify -is-aes-encryption-enabled

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