CIFS clients are unable to access any CIFS shares of a CIFS server
Applies to
- ONTAP 9
- CIFS
Issue
- All Windows clients are unable to access CIFS shares, whether by name or IP address
secd.cifsAuth.problem
errors withKRB5KDC_ERR_C_PRINCIPAL_UNKNOWN
in ONTAP event log
Example
secd.cifsAuth.problem:error
vserver (svm1) General CIFS authentication problem.
Error: User authentication procedure failed CIFS SMB2 Share mapping - Client Ip = XX.XXX.XXX.XXX
Could not authenticate as 'SVM1$@CORP.DOMAIN.COM': Unknown user (KRB5KDC_ERR_C_PRINCIPAL_UNKNOWN)