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Unable to access CIFS via DNS Alias due to misconfigured SPN

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Category:
clustered-data-ontap-8
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nas
Last Updated:

Applies to

  • ONTAP 9
  • CIFS

Issue

  • Clients are unable to access CIFS server using a DNS Alias.
  • Attempting to access share via File Explorer and DNS alias results in following message:

Network Error
Windows cannot access \\DNS_Alias\share_name
Check the spelling of the name. Otherwise, there might be a problem with your network. To try to identify and resolve network problems, click Diagnose.
Error code: 0x800004005
Unspecified error

  • Event View creates entry for KRB5KRB_AP_ERR_BAD_INTEGRITY.
  • Packet trace(s) show KRB5KRB_AP_ERR_MODIFIED or KRB_AP_ERR_MODIFIED from ONTAP in response to Session Setup Request. 

 

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