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AD/LDAP Authentication failing when node becomes unresponsive but not down

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Category:
ontap-9
Specialty:
nas
Last Updated:

Applies to

  • ONTAP 9
  • LDAP (Lightweight Directory Access Protocol)
  • Active Directory Authentication (AD)

Issue

  • One of the node reported failed CIFS authentication via LDAP from all available servers
  • The node is unresponsive or unreachable in network, but it's not down
  • Switching the LIFs manually to the other node made the authentication work
  • However ONTAP did not use the LIF on the other node for CIFS LDAP authentication automatically
 

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