Skip to main content
NetApp Knowledge Base

ONTAP is unable to authenticate CIFS users

  1. Last updated
  2. Save as PDF
Views:
445
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
nas
Last Updated:

Applies to

  • ONTAP 9
  • CIFS

Issue

  • CIFS users are unable to connect to a share due to netlogon authentication failure  with domain controller
    • secd logs
      info :  Cannot contact any KDC for requested realm (KRB5_KDC_UNREACH) Failed to initiate Kerberos authentication. Trying NTLM.
      ERR  :  SMB2 response has NT error 0xc0000016  { in ParseSmb2HeaderResponse()
      ERR  :  Encountered NT error (NT_STATUS_AUTH_LOGON_FAILURE) for SMB command SessionSetup
      ERR  :  SMB2 response has NT error 0xc000006d
      debug:  Connected but failed to authenticate with DC <dc_name>
      info :  Unable to connect to LSA service on <dc_name>
    • Wireshark Capture:
      Microsoft Network Logon, NetrServerAuthenticate2 Return code: STATUS_ACCESS_DENIED (0xc0000022)

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.