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CIFS/SMB is not accessible because authentication fails when the DNS alias/CNAME is not configured as an SPN

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Category:
ontap-9
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nas
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Applies to

  • ONTAP 9
  • CIFS

Issue

  • CIFS/SMB is not accessible
  • Kerberos error
  • EMS.log
ERR : RESULT_ERROR_KERBEROS_C_PRINCIPAL_UNKNOWN:7507 in getKrbInitCreds() at Common/SecLibrary/Src/GssapiCtx.cpp:676
ERR : getKrbInitCreds: Kerberos Error: (-1765328378)
  • From Active Directory Domain Controller:
C:\> setspn -L vserver
FindDomainForAccount: DsGetDcNameWithAccountW failed!
Cannot find account vserver

 

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