CIFS authentication failed due to disallowed NTLM authentication
Applies to
- ONTAP 9 and later
- CIFS
- NTLM
Issue
NTLM authentication failed error is EMS :
secd: secd.cifsAuth.denied:error]: vserver (SVM1) Cannot authenticate CIFS user. Error: User authentication procedure failed CIFS SMB2 Share mapping - Client Ip = 172.20.x.x [ 0 ms] LM Compatibility level set to ntlmv2-krb disallowed NTLM authentication **[ 0] FAILURE: CIFS authentication failed