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KDCタイムアウトが原因でCIFSパスワードのリセットがKDC unreachableエラーで失敗する

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nas<a>2010061931</a>
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環境

  • ONTAP 9
  • CIFS

問題

  • CIFSパスワードのリセットが「KDC unreachable」というエラーで失敗します。
::> vserver cifs domain password reset -vserver VS1
Enter your user ID: User1
Enter your password:
Error: command failed: Password update failed. Reason: Kerberos Error: KDC Unreachable.
  • EMSログで次のエラーが報告されます。

secd.kerberos.preauth: A Kerberos pre-authentication failure occurred for SVM "VS1" due to out-of-sync machine account password

  • "vserver cifs security show" コマンドは、Kerberos KDC タイムアウトが3秒に設定されていることを示します。 
::> vserver cifs security show
Vserver: vs1
Kerberos Clock Skew:        3 minutes
Kerberos Ticket Age:        8 hours
Kerberos Renewal Age:        7 days
Kerberos KDC Timeout:        3 seconds

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