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Microsoft April 2022 HotfixesのあとにCIFSパスワードを変更すると、SecD:secsecsec.kerberos.preauth:エラーが表示されずに失敗します

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ontap-9
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nas<a>20099147370</a>
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環境

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

問題

  • vserver cifs domain password schedule が有効になっている場合、エラーは通知されません。
  • イベントログが以下のエラーを示している

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クライアントアクセスが secd.log エラーで失敗する KRB5KDC_ERR_PREAUTH_FAILED
  • 次のコマンドも失敗します。
    • vserver cifs domain password change
    • vserver cifs domain password schedule
    • vserver cifs security modify -is-aes-encryption-enabled

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