Skip to main content
NetApp Knowledge Base

UNIX user cannot access NTFS volume due to name mapping failure

Last Updated:

Applies to

  • ONTAP 9
  • NTFS security style volume
  • NFS


  • UNIX user from NFS client cannot access data on NTFS security style volume
  • EMS contains an error that shows name mapping failure for the user in the discussion

[?] Tue Jul 14 15:03:34 CEST [node-01: secd: secd.nfsAuth.noNameMap:error]:vserver (SVM) Cannot map UNIX name to CIFS name.Error: Get user credentials procedure failed
[ 0 ms] Determined UNIX id 100 is UNIX user 'test'
[ 0] Trying to map 'test' to Windows user 'test' using implicit mapping
[ 1] Successfully connected to ip, port 445 using TCP
[ 8] Successfully authenticated with DC domain.local
[ 11] Could not find Windows name 'test'
[ 11] Unable to map 'test'. No default Windows user defined.
**[ 11] FAILURE: Name mapping for UNIX user 'test' failed. No mapping found


  • Name mapping configuration shows that explicit mapping is defined for the same user

Maaz94::> vserver name-mapping show -vserver cifs_svm -direction unix-win

Vserver:   SVM
Direction: unix-win
Position Hostname         IP Address/Mask
-------- ---------------- ----------------
1       -            Pattern: test
                                          Replacement: DOMAIN\\TEST_USER
1 entries were displayed.


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.