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CIFS access denied errors in ONTAP 9 after enabling  SMB encryption

Views:
1,270
Visibility:
Public
Votes:
1
Category:
ontap-9
Specialty:
cifs
Last Updated:

Applies to

  • CIFS/SMB
  • ONTAP 9

Issue

  • After enabling "-is-smb-encryption-required" CIFS security option, some clients are no longer able to access CIFS shares.
  • The issue impacts clients running Windows versions earlier than 8 or Server 2012, while newer clients are still able to access shares.
  • The issue impacts shares that have CIFS share property 'encrypt-data' enabled as well.
  • In trace, we're seeing "STATUS_ACCESS_DENIED" being returned to Session Setup Requests.
  • EMS may report Nblade.cifsEncSessAccessDenied

 

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