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CIFS Authentication Failure Due to Invalid Domain User

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Category:
ontap-9
Specialty:
nas
Last Updated:

Applies to

  • ONTAP 9
  • CIFS/SMB Protocol

Issue

  • When logging in with the local Administrator account, an error occurs even if no actions are taken.
  • No error occurs when using a domain user account.

Secd log shows：

[Cluster-01: secd: secd.cifsAuth.problem:error]: vserver (svm_cifs) General CIFS authentication problem. Error: User authentication procedure failed CIFS SMB2 Share mapping - Client Ip = 192.168.0.2
[  0 ms] Login attempt by domain user 'PC_name\Administrator' using NTLMv2 style security
[     1] Successfully connected to ip 192.168.0.1, port 445 using TCP
[     4] Successfully authenticated with DC TSE.cii_encrypt/9og44mcX0aKBaWrc2a7i0XQ2r8N2/5V7sXmPOjRHCH2Pfxhe1rtxxH8hFG89JiR1FerWu3I48Hu7cuftbFhKYw==/cii_encrypt
[     6] Authentication failed with DC TSE. Not retriable. (Status: NT_STATUS_AUTH_NO_SUCH_USER(0xc0000064))
[     6] Login attempt by local user 'PC_name\Administrator' using NTLMv2 style security
[     6] 'F0026' is not a valid domain. Trying login as local user 'SVM\Administrator'.
[     6] FAILURE: CIFS authentication failed

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