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secd.lsa.noServers and Unknown user (KRB5KDC_ERR_C_PRINCIPAL_UNKNOWN) after running get-dc-info

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Category:
ontap-9
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nas
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Applies to

  • ONTAP 9
  • Domain Controller (DC)

Issue

  • Authentication to the Domain Controller for domain users fails
  • Continuous appearance of "None of the LSA servers..." in EMS.LOG:

4/24/2023 02:04:07  Node-01A EMERGENCY   secd.lsa.noServers: None of the LSA servers configured for Vserver (<vserver_name>) are currently accessible via the network.

  • Checking vServer authentication fails:
::*> vserver services access-check authentication get-dc-info  -node <node_name> -vserver <vserver_name>
Command failed : RPC call to SecD failed. RPC: "SecD Error: no server available". Reason: " "
  • Error observed in EMS.LOG after performing get-dc-info:
Thu Apr 06 12:18:30 +0100 [<node_name>: secd: secd.unexpectedFailure:debug]: vserver (<vserver_name>) Unexpected failure. Error: Get DC Info procedure failed  
[6 ms] Unknown user (KRB5KDC_ERR_C_PRINCIPAL_UNKNOWN)  
[6] Failed to initiate Kerberos authentication. Trying NTLM.  
[7] Successfully connected to ip 10.1.1.1, port 389 using TCP  
[14] Unknown user (KRB5KDC_ERR_C_PRINCIPAL_UNKNOWN)  
[14] Failed to initiate Kerberos authentication. Trying NTLM.  
[16] Unable to connect to LDAP (Active Directory) service on maindc1.main.dc.controller.local (Error: Invalid credentials)  
[22] Unknown user (KRB5KDC_ERR_C_PRINCIPAL_UNKNOWN)  
[22] Failed to initiate Kerberos authentication. Trying NTLM.  
[23] Successfully connected to ip 10.1.1.1, port 389 using TCP  
[31] Unknown user (KRB5KDC_ERR_C_PRINCIPAL_UNKNOWN)  
[31] Failed to initiate Kerberos authentication. Trying NTLM.  
[33] Unable to connect to LDAP (Active Directory) service on maindc2.main.domain.controller.local (Error: Invalid credentials)  
[33] No servers available for MS_LDAP_AD, vserver: 5, domain: main.domain.controller.local.
**[33] FAILURE: Unable to make a connection (LDAP (Active Directory):MAIN.DOMAIN.CONTROLLER.LOCAL), result: 6940
  • CIFS Server user does exist on the Domain Controller

 

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