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CIFS password reset fails with KDC unreachable error due to KDC timeouts

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Category:
ontap-9
Specialty:
nas
Last Updated:

Applies to

  • ONTAP 9
  • CIFS

Issue

  • CIFS password reset fails with error: KDC unreachable.
::> 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 logs report following errors:

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

  • "vserver cifs security show" command indicates that the Kerberos KDC timeout has been set to 3 seconds. 
::> 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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