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CIFS server connectivity issue due to Kerberos password mismatch

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Category:
ontap-9
Specialty:
nas
Last Updated:

Applies to

ONTAP 9

Issue

  • CIFS server connectivity was lost, resulting in all domain controllers appearing as "unavailable" on the CIFS server. 
  • The vserver reported a "SecD Error: no server available" for both nodes.
::> vserver cifs check -vserver XXX

                              Vserver : XXX
                   Cifs NetBIOS Name : XXX
                          Cifs Status : Running
                                 Site :

Node Name      DC Server Name  DC Server IP    Status   Status Details
--------------- --------------  --------------- ------ --------------
XXX             XXX             -               down     SecD Error: no server available
XXX             XXX             -               down     SecD Error: no server available

 
  • Secd log:
00000011.01f0b383017f4f5f Tue May 20 2025 12:09:19 +09:00 [kern_secd:info:16009] | [017.981.491] ERR: getKrbInitCreds: Kerberos Error: (CIFS server account password does not match password stored in Active Directory (KRB5KDC_ERR_PREAUTH_FAILED))
00000011.01f0b384017f4f5f Tue May 20 2025 12:09:19 +09:00 [kern_secd:info:16009] | [017.981.506] info: CIFS server account password does not match password stored in Active Directory (KRB5KDC_ERR_PREAUTH_FAILED)
00000011.01f0b385017f4f5f Tue May 20 2025 12:09:19 +09:00 [kern_secd:info:16009] | [017.981.516] ERR: RESULT_ERROR_SECLIB_GSSAPI_NO_SERVER_CREDS: 7129 in start() at src/GssapiCtx.cpp:653

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