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CIFS User Access Denied to Share Path from Azure VDI Kerberos and UNIX Name Mapping Mismatch

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Category:
ontap-9
Specialty:
nas
Last Updated:

Applies to

  • NetApp CVO
  • ONTAP 9
  • CIFS

Issue

  • Users intermittently receive “Access Denied” errors when trying to access a CIFS share path from within an Azure VDI session. The same user can access the share:
    • From outside the VDI (using the same credentials)
    • From inside the VDI using the SVM LIF’s IP address instead of the FQDN
  • The issue is observed to resolve temporarily after restarting the VDI session.
  • Example of CIFS Session output: 

cluster::> cifs session show -vserver <SVM_NAME> -address <client_ip> -instance
Node: <node_name>
Authentication Mechanism: NTLMv2
Windows User: <domain\username>
UNIX User: <unix_username>

Node: <node_name>
Authentication Mechanism: Kerberos
Windows User: <domain\username>
UNIX User: <generic_unix_user>

 

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