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Unable to access CIFS share with error: RESULT_ERROR_GENERAL_FAILURE, when DC prevents NTLM

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Category:
ontap-9
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nas
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Applies to

ONTAP 9

Issue

Unable to access CIFS share with error: RESULT_ERROR_GENERAL_FAILURE in the EMS log:

8/25/2021 18:09:35  node02          ERROR         secd.cifsAuth.problem: vserver (svm01) General CIFS authentication problem. Error: User authentication procedure failed
CIFS SMB2 Share mapping - Client Ip = xx.xx.xx.xx
  [  0 ms] Login attempt by domain user 'domain\AD_account' using NTLMv2 style security
  [     0] No servers available for MS_NETLOGON, vserver: 8, domain: domain.se.
  [     3] Successfully connected to ip xx.xx.xx.xx, port 389 using TCP
  [     5] Successfully connected to ip xx.xx.xx.xx, port 389 using TCP
  [     7] Successfully connected to ip xx.xx.xx.xx, port 445 using TCP
  [    15] Successfully authenticated with DC server00001.domain.se
  [    22] Unable to connect to NetLogon service on server00001.domain.se (Error: RESULT_ERROR_GENERAL_FAILURE)
  [    23] Successfully connected to ip xx.xx.xx.xx, port 445 using TCP
  [    34] Successfully authenticated with DC server00002.domain.se
  [    42] Unable to connect to NetLogon service on server00002.domain.se (Error: RESULT_ERROR_GENERAL_FAILURE)
  [    42] No servers available for MS_NETLOGON, vserver: 8, domain: domain.se.
**[    42] FAILURE: Unable to make a connection (NetLogon:domain.SE), result: 6940
  [    42] CIFS authentication failed

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