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NFS permission denied on NTFS security style volume due to Domain Trust

Last Updated:

Applies to

  • ONTAP 9
  • NFS
  • NTFS security style volume/qtree
  • Domain trust


  • Volume can be successfully mounted
  • Permission denied when browsing and accessing files and directories in the mounted volume
  • EMS logs contain the following errors:


Error: Get user credentials procedure failed
[ 0 ms] Determined UNIX id 501 is UNIX  user 'user1'
[    0] UNIX user 'user1' mapped to Windows user 'DOMAIN_B\user1'
[    0] Using cached 'DOMAIN_B\user1' SID mapping.  
[    1] Using a cached connection to
[    2] FAILURE: Cannot determine AD domain name for "DOMAIN_B"
[    2] Could not get credentials for Windows user 'user1' or SID 'S-1-5-21-234345543-1303698708-1846674531-128084'
Error: command failed: Failed to get user credentials. Reason: "SecD Error: cannot find domain mapping".


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